Home / 4,105.30-6,158.80-1,332.02

Finding the Fourth Proportional to 4,105.30, 6,158.80 and 1,332.02

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Solution

The fourth proportional to 4,105.30, 6,158.80 and 1,332.02 is: 1,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.30 : 6,158.80 = 1,332.02 : x
  2. Step 2: Convert to fraction form
    4,105.30/6,158.80 = 1,332.02/x
  3. Step 3: Cross multiply
    4,105.30x = 6,158.80 × 1,332.02
  4. Step 4: Simplify right side
    4,105.30x = 8,203,638.90
  5. Step 5: Solve for x
    x = 8,203,638.90/4,105.30
  6. Step 6: Final answer
    x = 1,998.31

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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.