Home / 2,534.28-3,495.38-2,180.79

Finding the Fourth Proportional to 2,534.28, 3,495.38 and 2,180.79

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Solution

The fourth proportional to 2,534.28, 3,495.38 and 2,180.79 is: 3,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.28 : 3,495.38 = 2,180.79 : x
  2. Step 2: Convert to fraction form
    2,534.28/3,495.38 = 2,180.79/x
  3. Step 3: Cross multiply
    2,534.28x = 3,495.38 × 2,180.79
  4. Step 4: Simplify right side
    2,534.28x = 7,622,689.75
  5. Step 5: Solve for x
    x = 7,622,689.75/2,534.28
  6. Step 6: Final answer
    x = 3,007.83

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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.