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Finding the Fourth Proportional to 2,347.68, 3,521.28 and 616.31

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Solution

The fourth proportional to 2,347.68, 3,521.28 and 616.31 is: 924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.68 : 3,521.28 = 616.31 : x
  2. Step 2: Convert to fraction form
    2,347.68/3,521.28 = 616.31/x
  3. Step 3: Cross multiply
    2,347.68x = 3,521.28 × 616.31
  4. Step 4: Simplify right side
    2,347.68x = 2,170,182.47
  5. Step 5: Solve for x
    x = 2,170,182.47/2,347.68
  6. Step 6: Final answer
    x = 924.39

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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.