Home / 3,759.85-5,639.64-1,162.79

Finding the Fourth Proportional to 3,759.85, 5,639.64 and 1,162.79

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Solution

The fourth proportional to 3,759.85, 5,639.64 and 1,162.79 is: 1,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.85 : 5,639.64 = 1,162.79 : x
  2. Step 2: Convert to fraction form
    3,759.85/5,639.64 = 1,162.79/x
  3. Step 3: Cross multiply
    3,759.85x = 5,639.64 × 1,162.79
  4. Step 4: Simplify right side
    3,759.85x = 6,557,717.00
  5. Step 5: Solve for x
    x = 6,557,717.00/3,759.85
  6. Step 6: Final answer
    x = 1,744.14

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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.