Home / 3,407.88-4,703.85-2,229.15

Finding the Fourth Proportional to 3,407.88, 4,703.85 and 2,229.15

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Solution

The fourth proportional to 3,407.88, 4,703.85 and 2,229.15 is: 3,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.88 : 4,703.85 = 2,229.15 : x
  2. Step 2: Convert to fraction form
    3,407.88/4,703.85 = 2,229.15/x
  3. Step 3: Cross multiply
    3,407.88x = 4,703.85 × 2,229.15
  4. Step 4: Simplify right side
    3,407.88x = 10,485,587.23
  5. Step 5: Solve for x
    x = 10,485,587.23/3,407.88
  6. Step 6: Final answer
    x = 3,076.87

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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.