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Finding the Fourth Proportional to 3,735.55, 5,603.32 and 1,541.87

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Solution

The fourth proportional to 3,735.55, 5,603.32 and 1,541.87 is: 2,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.55 : 5,603.32 = 1,541.87 : x
  2. Step 2: Convert to fraction form
    3,735.55/5,603.32 = 1,541.87/x
  3. Step 3: Cross multiply
    3,735.55x = 5,603.32 × 1,541.87
  4. Step 4: Simplify right side
    3,735.55x = 8,639,591.01
  5. Step 5: Solve for x
    x = 8,639,591.01/3,735.55
  6. Step 6: Final answer
    x = 2,312.80

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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.