Home / 4,149.36-5,728.48-2,737.12

Finding the Fourth Proportional to 4,149.36, 5,728.48 and 2,737.12

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Solution

The fourth proportional to 4,149.36, 5,728.48 and 2,737.12 is: 3,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.36 : 5,728.48 = 2,737.12 : x
  2. Step 2: Convert to fraction form
    4,149.36/5,728.48 = 2,737.12/x
  3. Step 3: Cross multiply
    4,149.36x = 5,728.48 × 2,737.12
  4. Step 4: Simplify right side
    4,149.36x = 15,679,537.18
  5. Step 5: Solve for x
    x = 15,679,537.18/4,149.36
  6. Step 6: Final answer
    x = 3,778.78

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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.