Home / 3,514.31-4,849.34-1,942.31

Finding the Fourth Proportional to 3,514.31, 4,849.34 and 1,942.31

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Solution

The fourth proportional to 3,514.31, 4,849.34 and 1,942.31 is: 2,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.31 : 4,849.34 = 1,942.31 : x
  2. Step 2: Convert to fraction form
    3,514.31/4,849.34 = 1,942.31/x
  3. Step 3: Cross multiply
    3,514.31x = 4,849.34 × 1,942.31
  4. Step 4: Simplify right side
    3,514.31x = 9,418,911.86
  5. Step 5: Solve for x
    x = 9,418,911.86/3,514.31
  6. Step 6: Final answer
    x = 2,680.16

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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.