Home / 2,239.98-3,361-1,007.72

Finding the Fourth Proportional to 2,239.98, 3,361 and 1,007.72

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Solution

The fourth proportional to 2,239.98, 3,361 and 1,007.72 is: 1,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.98 : 3,361 = 1,007.72 : x
  2. Step 2: Convert to fraction form
    2,239.98/3,361 = 1,007.72/x
  3. Step 3: Cross multiply
    2,239.98x = 3,361 × 1,007.72
  4. Step 4: Simplify right side
    2,239.98x = 3,386,946.92
  5. Step 5: Solve for x
    x = 3,386,946.92/2,239.98
  6. Step 6: Final answer
    x = 1,512.04

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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.