Home / 3,979.74-5,498.10-2,652.96

Finding the Fourth Proportional to 3,979.74, 5,498.10 and 2,652.96

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Solution

The fourth proportional to 3,979.74, 5,498.10 and 2,652.96 is: 3,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.74 : 5,498.10 = 2,652.96 : x
  2. Step 2: Convert to fraction form
    3,979.74/5,498.10 = 2,652.96/x
  3. Step 3: Cross multiply
    3,979.74x = 5,498.10 × 2,652.96
  4. Step 4: Simplify right side
    3,979.74x = 14,586,239.38
  5. Step 5: Solve for x
    x = 14,586,239.38/3,979.74
  6. Step 6: Final answer
    x = 3,665.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.