Home / 2,770.54-3,839.85-2,718.70

Finding the Fourth Proportional to 2,770.54, 3,839.85 and 2,718.70

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Solution

The fourth proportional to 2,770.54, 3,839.85 and 2,718.70 is: 3,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.54 : 3,839.85 = 2,718.70 : x
  2. Step 2: Convert to fraction form
    2,770.54/3,839.85 = 2,718.70/x
  3. Step 3: Cross multiply
    2,770.54x = 3,839.85 × 2,718.70
  4. Step 4: Simplify right side
    2,770.54x = 10,439,400.20
  5. Step 5: Solve for x
    x = 10,439,400.20/2,770.54
  6. Step 6: Final answer
    x = 3,768.00

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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.