Home / 3,636.32-5,456.92-1,445.52

Finding the Fourth Proportional to 3,636.32, 5,456.92 and 1,445.52

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Solution

The fourth proportional to 3,636.32, 5,456.92 and 1,445.52 is: 2,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.32 : 5,456.92 = 1,445.52 : x
  2. Step 2: Convert to fraction form
    3,636.32/5,456.92 = 1,445.52/x
  3. Step 3: Cross multiply
    3,636.32x = 5,456.92 × 1,445.52
  4. Step 4: Simplify right side
    3,636.32x = 7,888,087.00
  5. Step 5: Solve for x
    x = 7,888,087.00/3,636.32
  6. Step 6: Final answer
    x = 2,169.25

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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.