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Finding the Fourth Proportional to 3,773.55, 5,207.43 and 2,281.44

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Solution

The fourth proportional to 3,773.55, 5,207.43 and 2,281.44 is: 3,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.55 : 5,207.43 = 2,281.44 : x
  2. Step 2: Convert to fraction form
    3,773.55/5,207.43 = 2,281.44/x
  3. Step 3: Cross multiply
    3,773.55x = 5,207.43 × 2,281.44
  4. Step 4: Simplify right side
    3,773.55x = 11,880,439.10
  5. Step 5: Solve for x
    x = 11,880,439.10/3,773.55
  6. Step 6: Final answer
    x = 3,148.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.