Home / 2,932.76-4,398.33-1,288.88

Finding the Fourth Proportional to 2,932.76, 4,398.33 and 1,288.88

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Solution

The fourth proportional to 2,932.76, 4,398.33 and 1,288.88 is: 1,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.76 : 4,398.33 = 1,288.88 : x
  2. Step 2: Convert to fraction form
    2,932.76/4,398.33 = 1,288.88/x
  3. Step 3: Cross multiply
    2,932.76x = 4,398.33 × 1,288.88
  4. Step 4: Simplify right side
    2,932.76x = 5,668,919.57
  5. Step 5: Solve for x
    x = 5,668,919.57/2,932.76
  6. Step 6: Final answer
    x = 1,932.96

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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.