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Finding the Fourth Proportional to 3,760.66, 5,640.94 and 1,539.03

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Solution

The fourth proportional to 3,760.66, 5,640.94 and 1,539.03 is: 2,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.66 : 5,640.94 = 1,539.03 : x
  2. Step 2: Convert to fraction form
    3,760.66/5,640.94 = 1,539.03/x
  3. Step 3: Cross multiply
    3,760.66x = 5,640.94 × 1,539.03
  4. Step 4: Simplify right side
    3,760.66x = 8,681,575.89
  5. Step 5: Solve for x
    x = 8,681,575.89/3,760.66
  6. Step 6: Final answer
    x = 2,308.52

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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.