Home / 3,328-4,981.92-2,223.52

Finding the Fourth Proportional to 3,328, 4,981.92 and 2,223.52

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Solution

The fourth proportional to 3,328, 4,981.92 and 2,223.52 is: 3,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328 : 4,981.92 = 2,223.52 : x
  2. Step 2: Convert to fraction form
    3,328/4,981.92 = 2,223.52/x
  3. Step 3: Cross multiply
    3,328x = 4,981.92 × 2,223.52
  4. Step 4: Simplify right side
    3,328x = 11,077,398.76
  5. Step 5: Solve for x
    x = 11,077,398.76/3,328
  6. Step 6: Final answer
    x = 3,328.55

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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.