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Finding the Fourth Proportional to 2,404.93, 3,607.19 and 761.24

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Solution

The fourth proportional to 2,404.93, 3,607.19 and 761.24 is: 1,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.93 : 3,607.19 = 761.24 : x
  2. Step 2: Convert to fraction form
    2,404.93/3,607.19 = 761.24/x
  3. Step 3: Cross multiply
    2,404.93x = 3,607.19 × 761.24
  4. Step 4: Simplify right side
    2,404.93x = 2,745,937.32
  5. Step 5: Solve for x
    x = 2,745,937.32/2,404.93
  6. Step 6: Final answer
    x = 1,141.80

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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.