Home / 2,711.45-4,067.18-1,615.07

Finding the Fourth Proportional to 2,711.45, 4,067.18 and 1,615.07

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Solution

The fourth proportional to 2,711.45, 4,067.18 and 1,615.07 is: 2,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.45 : 4,067.18 = 1,615.07 : x
  2. Step 2: Convert to fraction form
    2,711.45/4,067.18 = 1,615.07/x
  3. Step 3: Cross multiply
    2,711.45x = 4,067.18 × 1,615.07
  4. Step 4: Simplify right side
    2,711.45x = 6,568,780.40
  5. Step 5: Solve for x
    x = 6,568,780.40/2,711.45
  6. Step 6: Final answer
    x = 2,422.61

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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.