Home / 2,768.04-4,147.38-2,180.70

Finding the Fourth Proportional to 2,768.04, 4,147.38 and 2,180.70

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Solution

The fourth proportional to 2,768.04, 4,147.38 and 2,180.70 is: 3,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.04 : 4,147.38 = 2,180.70 : x
  2. Step 2: Convert to fraction form
    2,768.04/4,147.38 = 2,180.70/x
  3. Step 3: Cross multiply
    2,768.04x = 4,147.38 × 2,180.70
  4. Step 4: Simplify right side
    2,768.04x = 9,044,191.57
  5. Step 5: Solve for x
    x = 9,044,191.57/2,768.04
  6. Step 6: Final answer
    x = 3,267.36

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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.