Home / 2,254.20-3,379.70-1,022.20

Finding the Fourth Proportional to 2,254.20, 3,379.70 and 1,022.20

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Solution

The fourth proportional to 2,254.20, 3,379.70 and 1,022.20 is: 1,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.20 : 3,379.70 = 1,022.20 : x
  2. Step 2: Convert to fraction form
    2,254.20/3,379.70 = 1,022.20/x
  3. Step 3: Cross multiply
    2,254.20x = 3,379.70 × 1,022.20
  4. Step 4: Simplify right side
    2,254.20x = 3,454,729.34
  5. Step 5: Solve for x
    x = 3,454,729.34/2,254.20
  6. Step 6: Final answer
    x = 1,532.57

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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.