Home / 3,992.28-5,988.42-1,070.88

Finding the Fourth Proportional to 3,992.28, 5,988.42 and 1,070.88

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Solution

The fourth proportional to 3,992.28, 5,988.42 and 1,070.88 is: 1,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.28 : 5,988.42 = 1,070.88 : x
  2. Step 2: Convert to fraction form
    3,992.28/5,988.42 = 1,070.88/x
  3. Step 3: Cross multiply
    3,992.28x = 5,988.42 × 1,070.88
  4. Step 4: Simplify right side
    3,992.28x = 6,412,879.21
  5. Step 5: Solve for x
    x = 6,412,879.21/3,992.28
  6. Step 6: Final answer
    x = 1,606.32

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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.