Home / 3,737.94-5,158.80-2,166.12

Finding the Fourth Proportional to 3,737.94, 5,158.80 and 2,166.12

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Solution

The fourth proportional to 3,737.94, 5,158.80 and 2,166.12 is: 2,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.94 : 5,158.80 = 2,166.12 : x
  2. Step 2: Convert to fraction form
    3,737.94/5,158.80 = 2,166.12/x
  3. Step 3: Cross multiply
    3,737.94x = 5,158.80 × 2,166.12
  4. Step 4: Simplify right side
    3,737.94x = 11,174,579.86
  5. Step 5: Solve for x
    x = 11,174,579.86/3,737.94
  6. Step 6: Final answer
    x = 2,989.50

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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.