Home / 2,691.46-4,042.86-2,618.56

Finding the Fourth Proportional to 2,691.46, 4,042.86 and 2,618.56

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Solution

The fourth proportional to 2,691.46, 4,042.86 and 2,618.56 is: 3,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.46 : 4,042.86 = 2,618.56 : x
  2. Step 2: Convert to fraction form
    2,691.46/4,042.86 = 2,618.56/x
  3. Step 3: Cross multiply
    2,691.46x = 4,042.86 × 2,618.56
  4. Step 4: Simplify right side
    2,691.46x = 10,586,471.48
  5. Step 5: Solve for x
    x = 10,586,471.48/2,691.46
  6. Step 6: Final answer
    x = 3,933.36

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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.