Home / 3,737.36-5,157.33-2,165.15

Finding the Fourth Proportional to 3,737.36, 5,157.33 and 2,165.15

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Solution

The fourth proportional to 3,737.36, 5,157.33 and 2,165.15 is: 2,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.36 : 5,157.33 = 2,165.15 : x
  2. Step 2: Convert to fraction form
    3,737.36/5,157.33 = 2,165.15/x
  3. Step 3: Cross multiply
    3,737.36x = 5,157.33 × 2,165.15
  4. Step 4: Simplify right side
    3,737.36x = 11,166,393.05
  5. Step 5: Solve for x
    x = 11,166,393.05/3,737.36
  6. Step 6: Final answer
    x = 2,987.78

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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.