Home / 1,726.66-2,382.12-1,027.90

Finding the Fourth Proportional to 1,726.66, 2,382.12 and 1,027.90

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Solution

The fourth proportional to 1,726.66, 2,382.12 and 1,027.90 is: 1,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.66 : 2,382.12 = 1,027.90 : x
  2. Step 2: Convert to fraction form
    1,726.66/2,382.12 = 1,027.90/x
  3. Step 3: Cross multiply
    1,726.66x = 2,382.12 × 1,027.90
  4. Step 4: Simplify right side
    1,726.66x = 2,448,581.15
  5. Step 5: Solve for x
    x = 2,448,581.15/1,726.66
  6. Step 6: Final answer
    x = 1,418.10

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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.