Home / 2,239.20-3,359.32-1,315.52

Finding the Fourth Proportional to 2,239.20, 3,359.32 and 1,315.52

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Solution

The fourth proportional to 2,239.20, 3,359.32 and 1,315.52 is: 1,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.20 : 3,359.32 = 1,315.52 : x
  2. Step 2: Convert to fraction form
    2,239.20/3,359.32 = 1,315.52/x
  3. Step 3: Cross multiply
    2,239.20x = 3,359.32 × 1,315.52
  4. Step 4: Simplify right side
    2,239.20x = 4,419,252.65
  5. Step 5: Solve for x
    x = 4,419,252.65/2,239.20
  6. Step 6: Final answer
    x = 1,973.59

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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.