Home / 1,726.12-2,380.62-1,651.24

Finding the Fourth Proportional to 1,726.12, 2,380.62 and 1,651.24

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Solution

The fourth proportional to 1,726.12, 2,380.62 and 1,651.24 is: 2,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.12 : 2,380.62 = 1,651.24 : x
  2. Step 2: Convert to fraction form
    1,726.12/2,380.62 = 1,651.24/x
  3. Step 3: Cross multiply
    1,726.12x = 2,380.62 × 1,651.24
  4. Step 4: Simplify right side
    1,726.12x = 3,930,974.97
  5. Step 5: Solve for x
    x = 3,930,974.97/1,726.12
  6. Step 6: Final answer
    x = 2,277.35

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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.