Home / 2,292.03-3,438.35-831.87

Finding the Fourth Proportional to 2,292.03, 3,438.35 and 831.87

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Solution

The fourth proportional to 2,292.03, 3,438.35 and 831.87 is: 1,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.03 : 3,438.35 = 831.87 : x
  2. Step 2: Convert to fraction form
    2,292.03/3,438.35 = 831.87/x
  3. Step 3: Cross multiply
    2,292.03x = 3,438.35 × 831.87
  4. Step 4: Simplify right side
    2,292.03x = 2,860,256.06
  5. Step 5: Solve for x
    x = 2,860,256.06/2,292.03
  6. Step 6: Final answer
    x = 1,247.91

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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.