Home / 2,332.03-3,497.40-688.78

Finding the Fourth Proportional to 2,332.03, 3,497.40 and 688.78

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Solution

The fourth proportional to 2,332.03, 3,497.40 and 688.78 is: 1,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.03 : 3,497.40 = 688.78 : x
  2. Step 2: Convert to fraction form
    2,332.03/3,497.40 = 688.78/x
  3. Step 3: Cross multiply
    2,332.03x = 3,497.40 × 688.78
  4. Step 4: Simplify right side
    2,332.03x = 2,408,939.17
  5. Step 5: Solve for x
    x = 2,408,939.17/2,332.03
  6. Step 6: Final answer
    x = 1,032.98

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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.