Home / 2,514.15-3,771.23-1,966.79

Finding the Fourth Proportional to 2,514.15, 3,771.23 and 1,966.79

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Solution

The fourth proportional to 2,514.15, 3,771.23 and 1,966.79 is: 2,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.15 : 3,771.23 = 1,966.79 : x
  2. Step 2: Convert to fraction form
    2,514.15/3,771.23 = 1,966.79/x
  3. Step 3: Cross multiply
    2,514.15x = 3,771.23 × 1,966.79
  4. Step 4: Simplify right side
    2,514.15x = 7,417,217.05
  5. Step 5: Solve for x
    x = 7,417,217.05/2,514.15
  6. Step 6: Final answer
    x = 2,950.19

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Double scale
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Similar ratio
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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.