Home / 2,239.20-3,086.91-1,708.02

Finding the Fourth Proportional to 2,239.20, 3,086.91 and 1,708.02

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Solution

The fourth proportional to 2,239.20, 3,086.91 and 1,708.02 is: 2,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.20 : 3,086.91 = 1,708.02 : x
  2. Step 2: Convert to fraction form
    2,239.20/3,086.91 = 1,708.02/x
  3. Step 3: Cross multiply
    2,239.20x = 3,086.91 × 1,708.02
  4. Step 4: Simplify right side
    2,239.20x = 5,272,504.02
  5. Step 5: Solve for x
    x = 5,272,504.02/2,239.20
  6. Step 6: Final answer
    x = 2,354.64

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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.