Home / 3,180.52-4,762.62-2,081.68

Finding the Fourth Proportional to 3,180.52, 4,762.62 and 2,081.68

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Solution

The fourth proportional to 3,180.52, 4,762.62 and 2,081.68 is: 3,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.52 : 4,762.62 = 2,081.68 : x
  2. Step 2: Convert to fraction form
    3,180.52/4,762.62 = 2,081.68/x
  3. Step 3: Cross multiply
    3,180.52x = 4,762.62 × 2,081.68
  4. Step 4: Simplify right side
    3,180.52x = 9,914,250.80
  5. Step 5: Solve for x
    x = 9,914,250.80/3,180.52
  6. Step 6: Final answer
    x = 3,117.18

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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.