Home / 3,013.14-4,519.68-1,281.78

Finding the Fourth Proportional to 3,013.14, 4,519.68 and 1,281.78

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Solution

The fourth proportional to 3,013.14, 4,519.68 and 1,281.78 is: 1,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.14 : 4,519.68 = 1,281.78 : x
  2. Step 2: Convert to fraction form
    3,013.14/4,519.68 = 1,281.78/x
  3. Step 3: Cross multiply
    3,013.14x = 4,519.68 × 1,281.78
  4. Step 4: Simplify right side
    3,013.14x = 5,793,235.43
  5. Step 5: Solve for x
    x = 5,793,235.43/3,013.14
  6. Step 6: Final answer
    x = 1,922.66

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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.