Home / 2,722.20-4,083.30-2,175.45

Finding the Fourth Proportional to 2,722.20, 4,083.30 and 2,175.45

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Solution

The fourth proportional to 2,722.20, 4,083.30 and 2,175.45 is: 3,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.20 : 4,083.30 = 2,175.45 : x
  2. Step 2: Convert to fraction form
    2,722.20/4,083.30 = 2,175.45/x
  3. Step 3: Cross multiply
    2,722.20x = 4,083.30 × 2,175.45
  4. Step 4: Simplify right side
    2,722.20x = 8,883,014.99
  5. Step 5: Solve for x
    x = 8,883,014.99/2,722.20
  6. Step 6: Final answer
    x = 3,263.18

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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.