Home / 1,754.30-2,422.23-1,231.04

Finding the Fourth Proportional to 1,754.30, 2,422.23 and 1,231.04

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Solution

The fourth proportional to 1,754.30, 2,422.23 and 1,231.04 is: 1,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.30 : 2,422.23 = 1,231.04 : x
  2. Step 2: Convert to fraction form
    1,754.30/2,422.23 = 1,231.04/x
  3. Step 3: Cross multiply
    1,754.30x = 2,422.23 × 1,231.04
  4. Step 4: Simplify right side
    1,754.30x = 2,981,862.02
  5. Step 5: Solve for x
    x = 2,981,862.02/1,754.30
  6. Step 6: Final answer
    x = 1,699.74

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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.