Home / 3,622.80-5,434.50-1,157.97

Finding the Fourth Proportional to 3,622.80, 5,434.50 and 1,157.97

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Solution

The fourth proportional to 3,622.80, 5,434.50 and 1,157.97 is: 1,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.80 : 5,434.50 = 1,157.97 : x
  2. Step 2: Convert to fraction form
    3,622.80/5,434.50 = 1,157.97/x
  3. Step 3: Cross multiply
    3,622.80x = 5,434.50 × 1,157.97
  4. Step 4: Simplify right side
    3,622.80x = 6,292,987.97
  5. Step 5: Solve for x
    x = 6,292,987.97/3,622.80
  6. Step 6: Final answer
    x = 1,737.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.