Home / 2,002.97-2,764.23-1,118.90

Finding the Fourth Proportional to 2,002.97, 2,764.23 and 1,118.90

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Solution

The fourth proportional to 2,002.97, 2,764.23 and 1,118.90 is: 1,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.97 : 2,764.23 = 1,118.90 : x
  2. Step 2: Convert to fraction form
    2,002.97/2,764.23 = 1,118.90/x
  3. Step 3: Cross multiply
    2,002.97x = 2,764.23 × 1,118.90
  4. Step 4: Simplify right side
    2,002.97x = 3,092,896.95
  5. Step 5: Solve for x
    x = 3,092,896.95/2,002.97
  6. Step 6: Final answer
    x = 1,544.16

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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.