Home / 3,724.80-5,140.19-2,046.23

Finding the Fourth Proportional to 3,724.80, 5,140.19 and 2,046.23

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Solution

The fourth proportional to 3,724.80, 5,140.19 and 2,046.23 is: 2,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.80 : 5,140.19 = 2,046.23 : x
  2. Step 2: Convert to fraction form
    3,724.80/5,140.19 = 2,046.23/x
  3. Step 3: Cross multiply
    3,724.80x = 5,140.19 × 2,046.23
  4. Step 4: Simplify right side
    3,724.80x = 10,518,010.98
  5. Step 5: Solve for x
    x = 10,518,010.98/3,724.80
  6. Step 6: Final answer
    x = 2,823.78

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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.