Home / 3,725.80-5,140.68-2,468.68

Finding the Fourth Proportional to 3,725.80, 5,140.68 and 2,468.68

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Solution

The fourth proportional to 3,725.80, 5,140.68 and 2,468.68 is: 3,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.80 : 5,140.68 = 2,468.68 : x
  2. Step 2: Convert to fraction form
    3,725.80/5,140.68 = 2,468.68/x
  3. Step 3: Cross multiply
    3,725.80x = 5,140.68 × 2,468.68
  4. Step 4: Simplify right side
    3,725.80x = 12,690,693.90
  5. Step 5: Solve for x
    x = 12,690,693.90/3,725.80
  6. Step 6: Final answer
    x = 3,406.17

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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.