Home / 1,724.39-2,589.27-1,661.51

Finding the Fourth Proportional to 1,724.39, 2,589.27 and 1,661.51

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Solution

The fourth proportional to 1,724.39, 2,589.27 and 1,661.51 is: 2,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.39 : 2,589.27 = 1,661.51 : x
  2. Step 2: Convert to fraction form
    1,724.39/2,589.27 = 1,661.51/x
  3. Step 3: Cross multiply
    1,724.39x = 2,589.27 × 1,661.51
  4. Step 4: Simplify right side
    1,724.39x = 4,302,098.24
  5. Step 5: Solve for x
    x = 4,302,098.24/1,724.39
  6. Step 6: Final answer
    x = 2,494.85

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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.