Home / 3,172.32-4,759.20-1,711.44

Finding the Fourth Proportional to 3,172.32, 4,759.20 and 1,711.44

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Solution

The fourth proportional to 3,172.32, 4,759.20 and 1,711.44 is: 2,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.32 : 4,759.20 = 1,711.44 : x
  2. Step 2: Convert to fraction form
    3,172.32/4,759.20 = 1,711.44/x
  3. Step 3: Cross multiply
    3,172.32x = 4,759.20 × 1,711.44
  4. Step 4: Simplify right side
    3,172.32x = 8,145,085.25
  5. Step 5: Solve for x
    x = 8,145,085.25/3,172.32
  6. Step 6: Final answer
    x = 2,567.55

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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.