Home / 3,499.92-5,240.16-2,979.36

Finding the Fourth Proportional to 3,499.92, 5,240.16 and 2,979.36

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Solution

The fourth proportional to 3,499.92, 5,240.16 and 2,979.36 is: 4,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.92 : 5,240.16 = 2,979.36 : x
  2. Step 2: Convert to fraction form
    3,499.92/5,240.16 = 2,979.36/x
  3. Step 3: Cross multiply
    3,499.92x = 5,240.16 × 2,979.36
  4. Step 4: Simplify right side
    3,499.92x = 15,612,323.10
  5. Step 5: Solve for x
    x = 15,612,323.10/3,499.92
  6. Step 6: Final answer
    x = 4,460.77

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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.