Home / 3,876.57-5,349.87-3,737.16

Finding the Fourth Proportional to 3,876.57, 5,349.87 and 3,737.16

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Solution

The fourth proportional to 3,876.57, 5,349.87 and 3,737.16 is: 5,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.57 : 5,349.87 = 3,737.16 : x
  2. Step 2: Convert to fraction form
    3,876.57/5,349.87 = 3,737.16/x
  3. Step 3: Cross multiply
    3,876.57x = 5,349.87 × 3,737.16
  4. Step 4: Simplify right side
    3,876.57x = 19,993,320.17
  5. Step 5: Solve for x
    x = 19,993,320.17/3,876.57
  6. Step 6: Final answer
    x = 5,157.48

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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.