Home / 3,631.92-5,447.88-1,440.51

Finding the Fourth Proportional to 3,631.92, 5,447.88 and 1,440.51

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Solution

The fourth proportional to 3,631.92, 5,447.88 and 1,440.51 is: 2,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.92 : 5,447.88 = 1,440.51 : x
  2. Step 2: Convert to fraction form
    3,631.92/5,447.88 = 1,440.51/x
  3. Step 3: Cross multiply
    3,631.92x = 5,447.88 × 1,440.51
  4. Step 4: Simplify right side
    3,631.92x = 7,847,725.62
  5. Step 5: Solve for x
    x = 7,847,725.62/3,631.92
  6. Step 6: Final answer
    x = 2,160.77

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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.