Home / 3,727.72-5,143.90-2,235.36

Finding the Fourth Proportional to 3,727.72, 5,143.90 and 2,235.36

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Solution

The fourth proportional to 3,727.72, 5,143.90 and 2,235.36 is: 3,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.72 : 5,143.90 = 2,235.36 : x
  2. Step 2: Convert to fraction form
    3,727.72/5,143.90 = 2,235.36/x
  3. Step 3: Cross multiply
    3,727.72x = 5,143.90 × 2,235.36
  4. Step 4: Simplify right side
    3,727.72x = 11,498,468.30
  5. Step 5: Solve for x
    x = 11,498,468.30/3,727.72
  6. Step 6: Final answer
    x = 3,084.58

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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.