Home / 2,713.48-4,065.38-1,249.54

Finding the Fourth Proportional to 2,713.48, 4,065.38 and 1,249.54

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Solution

The fourth proportional to 2,713.48, 4,065.38 and 1,249.54 is: 1,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.48 : 4,065.38 = 1,249.54 : x
  2. Step 2: Convert to fraction form
    2,713.48/4,065.38 = 1,249.54/x
  3. Step 3: Cross multiply
    2,713.48x = 4,065.38 × 1,249.54
  4. Step 4: Simplify right side
    2,713.48x = 5,079,854.93
  5. Step 5: Solve for x
    x = 5,079,854.93/2,713.48
  6. Step 6: Final answer
    x = 1,872.08

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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.