Home / 4,178.60-5,766.54-2,290.14

Finding the Fourth Proportional to 4,178.60, 5,766.54 and 2,290.14

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Solution

The fourth proportional to 4,178.60, 5,766.54 and 2,290.14 is: 3,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.60 : 5,766.54 = 2,290.14 : x
  2. Step 2: Convert to fraction form
    4,178.60/5,766.54 = 2,290.14/x
  3. Step 3: Cross multiply
    4,178.60x = 5,766.54 × 2,290.14
  4. Step 4: Simplify right side
    4,178.60x = 13,206,183.92
  5. Step 5: Solve for x
    x = 13,206,183.92/4,178.60
  6. Step 6: Final answer
    x = 3,160.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.