Home / 2,514.10-3,771.38-665.19

Finding the Fourth Proportional to 2,514.10, 3,771.38 and 665.19

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Solution

The fourth proportional to 2,514.10, 3,771.38 and 665.19 is: 997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.10 : 3,771.38 = 665.19 : x
  2. Step 2: Convert to fraction form
    2,514.10/3,771.38 = 665.19/x
  3. Step 3: Cross multiply
    2,514.10x = 3,771.38 × 665.19
  4. Step 4: Simplify right side
    2,514.10x = 2,508,680.94
  5. Step 5: Solve for x
    x = 2,508,680.94/2,514.10
  6. Step 6: Final answer
    x = 997.84

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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.