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Finding the Fourth Proportional to 1,598.34, 2,396.69 and 731.91

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Solution

The fourth proportional to 1,598.34, 2,396.69 and 731.91 is: 1,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.34 : 2,396.69 = 731.91 : x
  2. Step 2: Convert to fraction form
    1,598.34/2,396.69 = 731.91/x
  3. Step 3: Cross multiply
    1,598.34x = 2,396.69 × 731.91
  4. Step 4: Simplify right side
    1,598.34x = 1,754,163.21
  5. Step 5: Solve for x
    x = 1,754,163.21/1,598.34
  6. Step 6: Final answer
    x = 1,097.49

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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.