Home / 3,514.13-4,849.49-2,117.15

Finding the Fourth Proportional to 3,514.13, 4,849.49 and 2,117.15

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Solution

The fourth proportional to 3,514.13, 4,849.49 and 2,117.15 is: 2,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.13 : 4,849.49 = 2,117.15 : x
  2. Step 2: Convert to fraction form
    3,514.13/4,849.49 = 2,117.15/x
  3. Step 3: Cross multiply
    3,514.13x = 4,849.49 × 2,117.15
  4. Step 4: Simplify right side
    3,514.13x = 10,267,078.80
  5. Step 5: Solve for x
    x = 10,267,078.80/3,514.13
  6. Step 6: Final answer
    x = 2,921.66

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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.