Home / 2,691.44-3,715.92-2,411.18

Finding the Fourth Proportional to 2,691.44, 3,715.92 and 2,411.18

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Solution

The fourth proportional to 2,691.44, 3,715.92 and 2,411.18 is: 3,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.44 : 3,715.92 = 2,411.18 : x
  2. Step 2: Convert to fraction form
    2,691.44/3,715.92 = 2,411.18/x
  3. Step 3: Cross multiply
    2,691.44x = 3,715.92 × 2,411.18
  4. Step 4: Simplify right side
    2,691.44x = 8,959,751.99
  5. Step 5: Solve for x
    x = 8,959,751.99/2,691.44
  6. Step 6: Final answer
    x = 3,328.98

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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.