Home / 2,442.32-3,663.66-981.48

Finding the Fourth Proportional to 2,442.32, 3,663.66 and 981.48

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Solution

The fourth proportional to 2,442.32, 3,663.66 and 981.48 is: 1,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.32 : 3,663.66 = 981.48 : x
  2. Step 2: Convert to fraction form
    2,442.32/3,663.66 = 981.48/x
  3. Step 3: Cross multiply
    2,442.32x = 3,663.66 × 981.48
  4. Step 4: Simplify right side
    2,442.32x = 3,595,800.31
  5. Step 5: Solve for x
    x = 3,595,800.31/2,442.32
  6. Step 6: Final answer
    x = 1,472.29

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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.