Home / 2,442.36-3,663.56-981.88

Finding the Fourth Proportional to 2,442.36, 3,663.56 and 981.88

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Solution

The fourth proportional to 2,442.36, 3,663.56 and 981.88 is: 1,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.36 : 3,663.56 = 981.88 : x
  2. Step 2: Convert to fraction form
    2,442.36/3,663.56 = 981.88/x
  3. Step 3: Cross multiply
    2,442.36x = 3,663.56 × 981.88
  4. Step 4: Simplify right side
    2,442.36x = 3,597,176.29
  5. Step 5: Solve for x
    x = 3,597,176.29/2,442.36
  6. Step 6: Final answer
    x = 1,472.83

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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.