Home / 3,328.48-4,989.92-2,229.52

Finding the Fourth Proportional to 3,328.48, 4,989.92 and 2,229.52

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Solution

The fourth proportional to 3,328.48, 4,989.92 and 2,229.52 is: 3,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.48 : 4,989.92 = 2,229.52 : x
  2. Step 2: Convert to fraction form
    3,328.48/4,989.92 = 2,229.52/x
  3. Step 3: Cross multiply
    3,328.48x = 4,989.92 × 2,229.52
  4. Step 4: Simplify right side
    3,328.48x = 11,125,126.44
  5. Step 5: Solve for x
    x = 11,125,126.44/3,328.48
  6. Step 6: Final answer
    x = 3,342.40

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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.