Home / 3,754.24-5,175.90-3,079.57

Finding the Fourth Proportional to 3,754.24, 5,175.90 and 3,079.57

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Solution

The fourth proportional to 3,754.24, 5,175.90 and 3,079.57 is: 4,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.24 : 5,175.90 = 3,079.57 : x
  2. Step 2: Convert to fraction form
    3,754.24/5,175.90 = 3,079.57/x
  3. Step 3: Cross multiply
    3,754.24x = 5,175.90 × 3,079.57
  4. Step 4: Simplify right side
    3,754.24x = 15,939,543.13
  5. Step 5: Solve for x
    x = 15,939,543.13/3,754.24
  6. Step 6: Final answer
    x = 4,245.75

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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.