Home / 2,770.41-3,839.68-2,718.57

Finding the Fourth Proportional to 2,770.41, 3,839.68 and 2,718.57

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Solution

The fourth proportional to 2,770.41, 3,839.68 and 2,718.57 is: 3,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.41 : 3,839.68 = 2,718.57 : x
  2. Step 2: Convert to fraction form
    2,770.41/3,839.68 = 2,718.57/x
  3. Step 3: Cross multiply
    2,770.41x = 3,839.68 × 2,718.57
  4. Step 4: Simplify right side
    2,770.41x = 10,438,432.06
  5. Step 5: Solve for x
    x = 10,438,432.06/2,770.41
  6. Step 6: Final answer
    x = 3,767.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.