Home / 3,727.68-5,589.92-1,876.48

Finding the Fourth Proportional to 3,727.68, 5,589.92 and 1,876.48

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Solution

The fourth proportional to 3,727.68, 5,589.92 and 1,876.48 is: 2,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.68 : 5,589.92 = 1,876.48 : x
  2. Step 2: Convert to fraction form
    3,727.68/5,589.92 = 1,876.48/x
  3. Step 3: Cross multiply
    3,727.68x = 5,589.92 × 1,876.48
  4. Step 4: Simplify right side
    3,727.68x = 10,489,373.08
  5. Step 5: Solve for x
    x = 10,489,373.08/3,727.68
  6. Step 6: Final answer
    x = 2,813.91

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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.