Home / 3,727.38-5,144.40-2,841.51

Finding the Fourth Proportional to 3,727.38, 5,144.40 and 2,841.51

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Solution

The fourth proportional to 3,727.38, 5,144.40 and 2,841.51 is: 3,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.38 : 5,144.40 = 2,841.51 : x
  2. Step 2: Convert to fraction form
    3,727.38/5,144.40 = 2,841.51/x
  3. Step 3: Cross multiply
    3,727.38x = 5,144.40 × 2,841.51
  4. Step 4: Simplify right side
    3,727.38x = 14,617,864.04
  5. Step 5: Solve for x
    x = 14,617,864.04/3,727.38
  6. Step 6: Final answer
    x = 3,921.75

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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.