Home / 2,874.24-4,309.92-1,141.68

Finding the Fourth Proportional to 2,874.24, 4,309.92 and 1,141.68

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Solution

The fourth proportional to 2,874.24, 4,309.92 and 1,141.68 is: 1,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.24 : 4,309.92 = 1,141.68 : x
  2. Step 2: Convert to fraction form
    2,874.24/4,309.92 = 1,141.68/x
  3. Step 3: Cross multiply
    2,874.24x = 4,309.92 × 1,141.68
  4. Step 4: Simplify right side
    2,874.24x = 4,920,549.47
  5. Step 5: Solve for x
    x = 4,920,549.47/2,874.24
  6. Step 6: Final answer
    x = 1,711.95

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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.