Home / 2,292.91-3,439.36-831.58

Finding the Fourth Proportional to 2,292.91, 3,439.36 and 831.58

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Solution

The fourth proportional to 2,292.91, 3,439.36 and 831.58 is: 1,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.91 : 3,439.36 = 831.58 : x
  2. Step 2: Convert to fraction form
    2,292.91/3,439.36 = 831.58/x
  3. Step 3: Cross multiply
    2,292.91x = 3,439.36 × 831.58
  4. Step 4: Simplify right side
    2,292.91x = 2,860,102.99
  5. Step 5: Solve for x
    x = 2,860,102.99/2,292.91
  6. Step 6: Final answer
    x = 1,247.37

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1.5x scale

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.