Home / 3,759.94-5,639.52-1,162.90

Finding the Fourth Proportional to 3,759.94, 5,639.52 and 1,162.90

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Solution

The fourth proportional to 3,759.94, 5,639.52 and 1,162.90 is: 1,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.94 : 5,639.52 = 1,162.90 : x
  2. Step 2: Convert to fraction form
    3,759.94/5,639.52 = 1,162.90/x
  3. Step 3: Cross multiply
    3,759.94x = 5,639.52 × 1,162.90
  4. Step 4: Simplify right side
    3,759.94x = 6,558,197.81
  5. Step 5: Solve for x
    x = 6,558,197.81/3,759.94
  6. Step 6: Final answer
    x = 1,744.23

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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.