Home / 3,680.93-5,081.52-2,422.80

Finding the Fourth Proportional to 3,680.93, 5,081.52 and 2,422.80

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Solution

The fourth proportional to 3,680.93, 5,081.52 and 2,422.80 is: 3,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.93 : 5,081.52 = 2,422.80 : x
  2. Step 2: Convert to fraction form
    3,680.93/5,081.52 = 2,422.80/x
  3. Step 3: Cross multiply
    3,680.93x = 5,081.52 × 2,422.80
  4. Step 4: Simplify right side
    3,680.93x = 12,311,506.66
  5. Step 5: Solve for x
    x = 12,311,506.66/3,680.93
  6. Step 6: Final answer
    x = 3,344.68

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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.