Home / 3,759.36-5,639.58-1,162.50

Finding the Fourth Proportional to 3,759.36, 5,639.58 and 1,162.50

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Solution

The fourth proportional to 3,759.36, 5,639.58 and 1,162.50 is: 1,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.36 : 5,639.58 = 1,162.50 : x
  2. Step 2: Convert to fraction form
    3,759.36/5,639.58 = 1,162.50/x
  3. Step 3: Cross multiply
    3,759.36x = 5,639.58 × 1,162.50
  4. Step 4: Simplify right side
    3,759.36x = 6,556,011.75
  5. Step 5: Solve for x
    x = 6,556,011.75/3,759.36
  6. Step 6: Final answer
    x = 1,743.92

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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.