Home / 3,727.38-5,143.38-2,048.60

Finding the Fourth Proportional to 3,727.38, 5,143.38 and 2,048.60

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Solution

The fourth proportional to 3,727.38, 5,143.38 and 2,048.60 is: 2,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.38 : 5,143.38 = 2,048.60 : x
  2. Step 2: Convert to fraction form
    3,727.38/5,143.38 = 2,048.60/x
  3. Step 3: Cross multiply
    3,727.38x = 5,143.38 × 2,048.60
  4. Step 4: Simplify right side
    3,727.38x = 10,536,728.27
  5. Step 5: Solve for x
    x = 10,536,728.27/3,727.38
  6. Step 6: Final answer
    x = 2,826.85

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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.