Home / 3,759.52-5,639.28-1,162.64

Finding the Fourth Proportional to 3,759.52, 5,639.28 and 1,162.64

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Solution

The fourth proportional to 3,759.52, 5,639.28 and 1,162.64 is: 1,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.52 : 5,639.28 = 1,162.64 : x
  2. Step 2: Convert to fraction form
    3,759.52/5,639.28 = 1,162.64/x
  3. Step 3: Cross multiply
    3,759.52x = 5,639.28 × 1,162.64
  4. Step 4: Simplify right side
    3,759.52x = 6,556,452.50
  5. Step 5: Solve for x
    x = 6,556,452.50/3,759.52
  6. Step 6: Final answer
    x = 1,743.96

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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.