Home / 3,755.24-5,177.28-3,080.57

Finding the Fourth Proportional to 3,755.24, 5,177.28 and 3,080.57

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Solution

The fourth proportional to 3,755.24, 5,177.28 and 3,080.57 is: 4,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.24 : 5,177.28 = 3,080.57 : x
  2. Step 2: Convert to fraction form
    3,755.24/5,177.28 = 3,080.57/x
  3. Step 3: Cross multiply
    3,755.24x = 5,177.28 × 3,080.57
  4. Step 4: Simplify right side
    3,755.24x = 15,948,973.45
  5. Step 5: Solve for x
    x = 15,948,973.45/3,755.24
  6. Step 6: Final answer
    x = 4,247.12

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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.