Home / 4,146.20-5,719.71-3,080.57

Finding the Fourth Proportional to 4,146.20, 5,719.71 and 3,080.57

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Solution

The fourth proportional to 4,146.20, 5,719.71 and 3,080.57 is: 4,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.20 : 5,719.71 = 3,080.57 : x
  2. Step 2: Convert to fraction form
    4,146.20/5,719.71 = 3,080.57/x
  3. Step 3: Cross multiply
    4,146.20x = 5,719.71 × 3,080.57
  4. Step 4: Simplify right side
    4,146.20x = 17,619,938.44
  5. Step 5: Solve for x
    x = 17,619,938.44/4,146.20
  6. Step 6: Final answer
    x = 4,249.66

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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.