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Finding the Fourth Proportional to 1,850.49, 2,775.64 and 925.75

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Solution

The fourth proportional to 1,850.49, 2,775.64 and 925.75 is: 1,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.49 : 2,775.64 = 925.75 : x
  2. Step 2: Convert to fraction form
    1,850.49/2,775.64 = 925.75/x
  3. Step 3: Cross multiply
    1,850.49x = 2,775.64 × 925.75
  4. Step 4: Simplify right side
    1,850.49x = 2,569,548.73
  5. Step 5: Solve for x
    x = 2,569,548.73/1,850.49
  6. Step 6: Final answer
    x = 1,388.58

Related Problems

Find fourth proportional to 925.25, 1,387.82 and 462.88
Half scale
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Double scale
Find fourth proportional to 1,851.49, 2,777.14 and 926.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.