Home / 3,561.24-5,342.68-1,252.76

Finding the Fourth Proportional to 3,561.24, 5,342.68 and 1,252.76

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Solution

The fourth proportional to 3,561.24, 5,342.68 and 1,252.76 is: 1,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.24 : 5,342.68 = 1,252.76 : x
  2. Step 2: Convert to fraction form
    3,561.24/5,342.68 = 1,252.76/x
  3. Step 3: Cross multiply
    3,561.24x = 5,342.68 × 1,252.76
  4. Step 4: Simplify right side
    3,561.24x = 6,693,095.80
  5. Step 5: Solve for x
    x = 6,693,095.80/3,561.24
  6. Step 6: Final answer
    x = 1,879.43

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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.