Home / 1,481.32-2,221.57-1,043.92

Finding the Fourth Proportional to 1,481.32, 2,221.57 and 1,043.92

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Solution

The fourth proportional to 1,481.32, 2,221.57 and 1,043.92 is: 1,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.32 : 2,221.57 = 1,043.92 : x
  2. Step 2: Convert to fraction form
    1,481.32/2,221.57 = 1,043.92/x
  3. Step 3: Cross multiply
    1,481.32x = 2,221.57 × 1,043.92
  4. Step 4: Simplify right side
    1,481.32x = 2,319,141.35
  5. Step 5: Solve for x
    x = 2,319,141.35/1,481.32
  6. Step 6: Final answer
    x = 1,565.59

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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.