Home / 1,726.12-2,585.40-1,591.24

Finding the Fourth Proportional to 1,726.12, 2,585.40 and 1,591.24

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Solution

The fourth proportional to 1,726.12, 2,585.40 and 1,591.24 is: 2,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.12 : 2,585.40 = 1,591.24 : x
  2. Step 2: Convert to fraction form
    1,726.12/2,585.40 = 1,591.24/x
  3. Step 3: Cross multiply
    1,726.12x = 2,585.40 × 1,591.24
  4. Step 4: Simplify right side
    1,726.12x = 4,113,991.90
  5. Step 5: Solve for x
    x = 4,113,991.90/1,726.12
  6. Step 6: Final answer
    x = 2,383.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.