Home / 4,079.26-6,119.19-1,157.79

Finding the Fourth Proportional to 4,079.26, 6,119.19 and 1,157.79

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Solution

The fourth proportional to 4,079.26, 6,119.19 and 1,157.79 is: 1,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.26 : 6,119.19 = 1,157.79 : x
  2. Step 2: Convert to fraction form
    4,079.26/6,119.19 = 1,157.79/x
  3. Step 3: Cross multiply
    4,079.26x = 6,119.19 × 1,157.79
  4. Step 4: Simplify right side
    4,079.26x = 7,084,736.99
  5. Step 5: Solve for x
    x = 7,084,736.99/4,079.26
  6. Step 6: Final answer
    x = 1,736.77

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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.