Home / 3,771.90-5,207.31-2,514.66

Finding the Fourth Proportional to 3,771.90, 5,207.31 and 2,514.66

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Solution

The fourth proportional to 3,771.90, 5,207.31 and 2,514.66 is: 3,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.90 : 5,207.31 = 2,514.66 : x
  2. Step 2: Convert to fraction form
    3,771.90/5,207.31 = 2,514.66/x
  3. Step 3: Cross multiply
    3,771.90x = 5,207.31 × 2,514.66
  4. Step 4: Simplify right side
    3,771.90x = 13,094,614.16
  5. Step 5: Solve for x
    x = 13,094,614.16/3,771.90
  6. Step 6: Final answer
    x = 3,471.62

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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.