Home / 3,737.86-5,158.25-2,166.87

Finding the Fourth Proportional to 3,737.86, 5,158.25 and 2,166.87

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Solution

The fourth proportional to 3,737.86, 5,158.25 and 2,166.87 is: 2,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.86 : 5,158.25 = 2,166.87 : x
  2. Step 2: Convert to fraction form
    3,737.86/5,158.25 = 2,166.87/x
  3. Step 3: Cross multiply
    3,737.86x = 5,158.25 × 2,166.87
  4. Step 4: Simplify right side
    3,737.86x = 11,177,220.55
  5. Step 5: Solve for x
    x = 11,177,220.55/3,737.86
  6. Step 6: Final answer
    x = 2,990.27

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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.