Home / 2,979.13-4,468.70-1,248.97

Finding the Fourth Proportional to 2,979.13, 4,468.70 and 1,248.97

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Solution

The fourth proportional to 2,979.13, 4,468.70 and 1,248.97 is: 1,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.13 : 4,468.70 = 1,248.97 : x
  2. Step 2: Convert to fraction form
    2,979.13/4,468.70 = 1,248.97/x
  3. Step 3: Cross multiply
    2,979.13x = 4,468.70 × 1,248.97
  4. Step 4: Simplify right side
    2,979.13x = 5,581,272.24
  5. Step 5: Solve for x
    x = 5,581,272.24/2,979.13
  6. Step 6: Final answer
    x = 1,873.46

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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.