Home / 2,711.88-4,067.64-1,068.12

Finding the Fourth Proportional to 2,711.88, 4,067.64 and 1,068.12

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Solution

The fourth proportional to 2,711.88, 4,067.64 and 1,068.12 is: 1,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.88 : 4,067.64 = 1,068.12 : x
  2. Step 2: Convert to fraction form
    2,711.88/4,067.64 = 1,068.12/x
  3. Step 3: Cross multiply
    2,711.88x = 4,067.64 × 1,068.12
  4. Step 4: Simplify right side
    2,711.88x = 4,344,727.64
  5. Step 5: Solve for x
    x = 4,344,727.64/2,711.88
  6. Step 6: Final answer
    x = 1,602.11

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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.