Home / 2,239.18-3,354.98-1,371.68

Finding the Fourth Proportional to 2,239.18, 3,354.98 and 1,371.68

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Solution

The fourth proportional to 2,239.18, 3,354.98 and 1,371.68 is: 2,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.18 : 3,354.98 = 1,371.68 : x
  2. Step 2: Convert to fraction form
    2,239.18/3,354.98 = 1,371.68/x
  3. Step 3: Cross multiply
    2,239.18x = 3,354.98 × 1,371.68
  4. Step 4: Simplify right side
    2,239.18x = 4,601,958.97
  5. Step 5: Solve for x
    x = 4,601,958.97/2,239.18
  6. Step 6: Final answer
    x = 2,055.20

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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.