Home / 2,756.13-4,126.82-2,318.73

Finding the Fourth Proportional to 2,756.13, 4,126.82 and 2,318.73

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Solution

The fourth proportional to 2,756.13, 4,126.82 and 2,318.73 is: 3,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.13 : 4,126.82 = 2,318.73 : x
  2. Step 2: Convert to fraction form
    2,756.13/4,126.82 = 2,318.73/x
  3. Step 3: Cross multiply
    2,756.13x = 4,126.82 × 2,318.73
  4. Step 4: Simplify right side
    2,756.13x = 9,568,981.34
  5. Step 5: Solve for x
    x = 9,568,981.34/2,756.13
  6. Step 6: Final answer
    x = 3,471.89

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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.