Home / 3,759.36-5,639.42-2,201.72

Finding the Fourth Proportional to 3,759.36, 5,639.42 and 2,201.72

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Solution

The fourth proportional to 3,759.36, 5,639.42 and 2,201.72 is: 3,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.36 : 5,639.42 = 2,201.72 : x
  2. Step 2: Convert to fraction form
    3,759.36/5,639.42 = 2,201.72/x
  3. Step 3: Cross multiply
    3,759.36x = 5,639.42 × 2,201.72
  4. Step 4: Simplify right side
    3,759.36x = 12,416,423.80
  5. Step 5: Solve for x
    x = 12,416,423.80/3,759.36
  6. Step 6: Final answer
    x = 3,302.80

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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.