Home / 1,592.20-2,198.02-1,003.64

Finding the Fourth Proportional to 1,592.20, 2,198.02 and 1,003.64

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Solution

The fourth proportional to 1,592.20, 2,198.02 and 1,003.64 is: 1,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.20 : 2,198.02 = 1,003.64 : x
  2. Step 2: Convert to fraction form
    1,592.20/2,198.02 = 1,003.64/x
  3. Step 3: Cross multiply
    1,592.20x = 2,198.02 × 1,003.64
  4. Step 4: Simplify right side
    1,592.20x = 2,206,020.79
  5. Step 5: Solve for x
    x = 2,206,020.79/1,592.20
  6. Step 6: Final answer
    x = 1,385.52

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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.