Home / 3,305.16-4,553.04-2,831.50

Finding the Fourth Proportional to 3,305.16, 4,553.04 and 2,831.50

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Solution

The fourth proportional to 3,305.16, 4,553.04 and 2,831.50 is: 3,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.16 : 4,553.04 = 2,831.50 : x
  2. Step 2: Convert to fraction form
    3,305.16/4,553.04 = 2,831.50/x
  3. Step 3: Cross multiply
    3,305.16x = 4,553.04 × 2,831.50
  4. Step 4: Simplify right side
    3,305.16x = 12,891,932.76
  5. Step 5: Solve for x
    x = 12,891,932.76/3,305.16
  6. Step 6: Final answer
    x = 3,900.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.