Home / 3,737.45-5,157.64-2,165.69

Finding the Fourth Proportional to 3,737.45, 5,157.64 and 2,165.69

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Solution

The fourth proportional to 3,737.45, 5,157.64 and 2,165.69 is: 2,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.45 : 5,157.64 = 2,165.69 : x
  2. Step 2: Convert to fraction form
    3,737.45/5,157.64 = 2,165.69/x
  3. Step 3: Cross multiply
    3,737.45x = 5,157.64 × 2,165.69
  4. Step 4: Simplify right side
    3,737.45x = 11,169,856.85
  5. Step 5: Solve for x
    x = 11,169,856.85/3,737.45
  6. Step 6: Final answer
    x = 2,988.63

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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.