Home / 2,392.30-3,586.92-831.52

Finding the Fourth Proportional to 2,392.30, 3,586.92 and 831.52

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Solution

The fourth proportional to 2,392.30, 3,586.92 and 831.52 is: 1,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.30 : 3,586.92 = 831.52 : x
  2. Step 2: Convert to fraction form
    2,392.30/3,586.92 = 831.52/x
  3. Step 3: Cross multiply
    2,392.30x = 3,586.92 × 831.52
  4. Step 4: Simplify right side
    2,392.30x = 2,982,595.72
  5. Step 5: Solve for x
    x = 2,982,595.72/2,392.30
  6. Step 6: Final answer
    x = 1,246.75

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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.