Home / 3,281.12-4,924.50-1,722.21

Finding the Fourth Proportional to 3,281.12, 4,924.50 and 1,722.21

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Solution

The fourth proportional to 3,281.12, 4,924.50 and 1,722.21 is: 2,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.12 : 4,924.50 = 1,722.21 : x
  2. Step 2: Convert to fraction form
    3,281.12/4,924.50 = 1,722.21/x
  3. Step 3: Cross multiply
    3,281.12x = 4,924.50 × 1,722.21
  4. Step 4: Simplify right side
    3,281.12x = 8,481,023.15
  5. Step 5: Solve for x
    x = 8,481,023.15/3,281.12
  6. Step 6: Final answer
    x = 2,584.80

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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.