Home / 4,178.70-5,766.53-2,290.26

Finding the Fourth Proportional to 4,178.70, 5,766.53 and 2,290.26

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Solution

The fourth proportional to 4,178.70, 5,766.53 and 2,290.26 is: 3,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.70 : 5,766.53 = 2,290.26 : x
  2. Step 2: Convert to fraction form
    4,178.70/5,766.53 = 2,290.26/x
  3. Step 3: Cross multiply
    4,178.70x = 5,766.53 × 2,290.26
  4. Step 4: Simplify right side
    4,178.70x = 13,206,841.55
  5. Step 5: Solve for x
    x = 13,206,841.55/4,178.70
  6. Step 6: Final answer
    x = 3,160.51

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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.