Home / 2,708.20-4,062.30-2,351.80

Finding the Fourth Proportional to 2,708.20, 4,062.30 and 2,351.80

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Solution

The fourth proportional to 2,708.20, 4,062.30 and 2,351.80 is: 3,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.20 : 4,062.30 = 2,351.80 : x
  2. Step 2: Convert to fraction form
    2,708.20/4,062.30 = 2,351.80/x
  3. Step 3: Cross multiply
    2,708.20x = 4,062.30 × 2,351.80
  4. Step 4: Simplify right side
    2,708.20x = 9,553,717.14
  5. Step 5: Solve for x
    x = 9,553,717.14/2,708.20
  6. Step 6: Final answer
    x = 3,527.70

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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.