Home / 1,724.52-2,378.66-1,369.96

Finding the Fourth Proportional to 1,724.52, 2,378.66 and 1,369.96

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Solution

The fourth proportional to 1,724.52, 2,378.66 and 1,369.96 is: 1,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.52 : 2,378.66 = 1,369.96 : x
  2. Step 2: Convert to fraction form
    1,724.52/2,378.66 = 1,369.96/x
  3. Step 3: Cross multiply
    1,724.52x = 2,378.66 × 1,369.96
  4. Step 4: Simplify right side
    1,724.52x = 3,258,669.05
  5. Step 5: Solve for x
    x = 3,258,669.05/1,724.52
  6. Step 6: Final answer
    x = 1,889.61

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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.