Home / 4,178.75-5,766.83-2,290.49

Finding the Fourth Proportional to 4,178.75, 5,766.83 and 2,290.49

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Solution

The fourth proportional to 4,178.75, 5,766.83 and 2,290.49 is: 3,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.75 : 5,766.83 = 2,290.49 : x
  2. Step 2: Convert to fraction form
    4,178.75/5,766.83 = 2,290.49/x
  3. Step 3: Cross multiply
    4,178.75x = 5,766.83 × 2,290.49
  4. Step 4: Simplify right side
    4,178.75x = 13,208,826.16
  5. Step 5: Solve for x
    x = 13,208,826.16/4,178.75
  6. Step 6: Final answer
    x = 3,160.96

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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.