Home / 2,442.52-3,663.78-1,953.28

Finding the Fourth Proportional to 2,442.52, 3,663.78 and 1,953.28

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Solution

The fourth proportional to 2,442.52, 3,663.78 and 1,953.28 is: 2,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.52 : 3,663.78 = 1,953.28 : x
  2. Step 2: Convert to fraction form
    2,442.52/3,663.78 = 1,953.28/x
  3. Step 3: Cross multiply
    2,442.52x = 3,663.78 × 1,953.28
  4. Step 4: Simplify right side
    2,442.52x = 7,156,388.20
  5. Step 5: Solve for x
    x = 7,156,388.20/2,442.52
  6. Step 6: Final answer
    x = 2,929.92

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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.