Home / 3,586.92-5,376.87-1,831.11

Finding the Fourth Proportional to 3,586.92, 5,376.87 and 1,831.11

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Solution

The fourth proportional to 3,586.92, 5,376.87 and 1,831.11 is: 2,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.92 : 5,376.87 = 1,831.11 : x
  2. Step 2: Convert to fraction form
    3,586.92/5,376.87 = 1,831.11/x
  3. Step 3: Cross multiply
    3,586.92x = 5,376.87 × 1,831.11
  4. Step 4: Simplify right side
    3,586.92x = 9,845,640.43
  5. Step 5: Solve for x
    x = 9,845,640.43/3,586.92
  6. Step 6: Final answer
    x = 2,744.87

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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.