Home / 3,178.14-4,766.13-1,230.18

Finding the Fourth Proportional to 3,178.14, 4,766.13 and 1,230.18

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Solution

The fourth proportional to 3,178.14, 4,766.13 and 1,230.18 is: 1,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.14 : 4,766.13 = 1,230.18 : x
  2. Step 2: Convert to fraction form
    3,178.14/4,766.13 = 1,230.18/x
  3. Step 3: Cross multiply
    3,178.14x = 4,766.13 × 1,230.18
  4. Step 4: Simplify right side
    3,178.14x = 5,863,197.80
  5. Step 5: Solve for x
    x = 5,863,197.80/3,178.14
  6. Step 6: Final answer
    x = 1,844.85

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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.