Home / 4,079.97-6,119.96-1,157.90

Finding the Fourth Proportional to 4,079.97, 6,119.96 and 1,157.90

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Solution

The fourth proportional to 4,079.97, 6,119.96 and 1,157.90 is: 1,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.97 : 6,119.96 = 1,157.90 : x
  2. Step 2: Convert to fraction form
    4,079.97/6,119.96 = 1,157.90/x
  3. Step 3: Cross multiply
    4,079.97x = 6,119.96 × 1,157.90
  4. Step 4: Simplify right side
    4,079.97x = 7,086,265.29
  5. Step 5: Solve for x
    x = 7,086,265.29/4,079.97
  6. Step 6: Final answer
    x = 1,736.84

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Double scale
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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.