Home / 2,882.48-4,319.96-1,321.92

Finding the Fourth Proportional to 2,882.48, 4,319.96 and 1,321.92

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Solution

The fourth proportional to 2,882.48, 4,319.96 and 1,321.92 is: 1,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.48 : 4,319.96 = 1,321.92 : x
  2. Step 2: Convert to fraction form
    2,882.48/4,319.96 = 1,321.92/x
  3. Step 3: Cross multiply
    2,882.48x = 4,319.96 × 1,321.92
  4. Step 4: Simplify right side
    2,882.48x = 5,710,641.52
  5. Step 5: Solve for x
    x = 5,710,641.52/2,882.48
  6. Step 6: Final answer
    x = 1,981.16

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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.