Home / 2,722.38-4,084.47-1,162.35

Finding the Fourth Proportional to 2,722.38, 4,084.47 and 1,162.35

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Solution

The fourth proportional to 2,722.38, 4,084.47 and 1,162.35 is: 1,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.38 : 4,084.47 = 1,162.35 : x
  2. Step 2: Convert to fraction form
    2,722.38/4,084.47 = 1,162.35/x
  3. Step 3: Cross multiply
    2,722.38x = 4,084.47 × 1,162.35
  4. Step 4: Simplify right side
    2,722.38x = 4,747,580.44
  5. Step 5: Solve for x
    x = 4,747,580.44/2,722.38
  6. Step 6: Final answer
    x = 1,743.91

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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.