Home / 3,229.24-4,445.42-2,897.55

Finding the Fourth Proportional to 3,229.24, 4,445.42 and 2,897.55

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Solution

The fourth proportional to 3,229.24, 4,445.42 and 2,897.55 is: 3,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.24 : 4,445.42 = 2,897.55 : x
  2. Step 2: Convert to fraction form
    3,229.24/4,445.42 = 2,897.55/x
  3. Step 3: Cross multiply
    3,229.24x = 4,445.42 × 2,897.55
  4. Step 4: Simplify right side
    3,229.24x = 12,880,811.95
  5. Step 5: Solve for x
    x = 12,880,811.95/3,229.24
  6. Step 6: Final answer
    x = 3,988.80

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1.5x scale

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.