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Finding the Fourth Proportional to 3,691.56, 5,537.34 and 3,598.62

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Solution

The fourth proportional to 3,691.56, 5,537.34 and 3,598.62 is: 5,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.56 : 5,537.34 = 3,598.62 : x
  2. Step 2: Convert to fraction form
    3,691.56/5,537.34 = 3,598.62/x
  3. Step 3: Cross multiply
    3,691.56x = 5,537.34 × 3,598.62
  4. Step 4: Simplify right side
    3,691.56x = 19,926,782.47
  5. Step 5: Solve for x
    x = 19,926,782.47/3,691.56
  6. Step 6: Final answer
    x = 5,397.93

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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.