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Finding the Fourth Proportional to 1,850.41, 2,774.67 and 617.49

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Solution

The fourth proportional to 1,850.41, 2,774.67 and 617.49 is: 925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.41 : 2,774.67 = 617.49 : x
  2. Step 2: Convert to fraction form
    1,850.41/2,774.67 = 617.49/x
  3. Step 3: Cross multiply
    1,850.41x = 2,774.67 × 617.49
  4. Step 4: Simplify right side
    1,850.41x = 1,713,330.98
  5. Step 5: Solve for x
    x = 1,713,330.98/1,850.41
  6. Step 6: Final answer
    x = 925.92

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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.