Home / 3,451.92-5,177.12-986.19

Finding the Fourth Proportional to 3,451.92, 5,177.12 and 986.19

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Solution

The fourth proportional to 3,451.92, 5,177.12 and 986.19 is: 1,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.92 : 5,177.12 = 986.19 : x
  2. Step 2: Convert to fraction form
    3,451.92/5,177.12 = 986.19/x
  3. Step 3: Cross multiply
    3,451.92x = 5,177.12 × 986.19
  4. Step 4: Simplify right side
    3,451.92x = 5,105,619.04
  5. Step 5: Solve for x
    x = 5,105,619.04/3,451.92
  6. Step 6: Final answer
    x = 1,479.07

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Similar ratio
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1.5x scale

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.