Home / 2,170.20-3,254.22-1,195.50

Finding the Fourth Proportional to 2,170.20, 3,254.22 and 1,195.50

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Solution

The fourth proportional to 2,170.20, 3,254.22 and 1,195.50 is: 1,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.20 : 3,254.22 = 1,195.50 : x
  2. Step 2: Convert to fraction form
    2,170.20/3,254.22 = 1,195.50/x
  3. Step 3: Cross multiply
    2,170.20x = 3,254.22 × 1,195.50
  4. Step 4: Simplify right side
    2,170.20x = 3,890,420.01
  5. Step 5: Solve for x
    x = 3,890,420.01/2,170.20
  6. Step 6: Final answer
    x = 1,792.66

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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.