Home / 3,759.61-5,639.96-1,162.75

Finding the Fourth Proportional to 3,759.61, 5,639.96 and 1,162.75

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Solution

The fourth proportional to 3,759.61, 5,639.96 and 1,162.75 is: 1,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.61 : 5,639.96 = 1,162.75 : x
  2. Step 2: Convert to fraction form
    3,759.61/5,639.96 = 1,162.75/x
  3. Step 3: Cross multiply
    3,759.61x = 5,639.96 × 1,162.75
  4. Step 4: Simplify right side
    3,759.61x = 6,557,863.49
  5. Step 5: Solve for x
    x = 6,557,863.49/3,759.61
  6. Step 6: Final answer
    x = 1,744.29

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1.5x scale

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.