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Finding the Fourth Proportional to 1,850.06, 2,775.66 and 809.57

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Solution

The fourth proportional to 1,850.06, 2,775.66 and 809.57 is: 1,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.06 : 2,775.66 = 809.57 : x
  2. Step 2: Convert to fraction form
    1,850.06/2,775.66 = 809.57/x
  3. Step 3: Cross multiply
    1,850.06x = 2,775.66 × 809.57
  4. Step 4: Simplify right side
    1,850.06x = 2,247,087.02
  5. Step 5: Solve for x
    x = 2,247,087.02/1,850.06
  6. Step 6: Final answer
    x = 1,214.60

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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.