Home / 2,244.79-3,367.74-1,321.12

Finding the Fourth Proportional to 2,244.79, 3,367.74 and 1,321.12

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Solution

The fourth proportional to 2,244.79, 3,367.74 and 1,321.12 is: 1,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.79 : 3,367.74 = 1,321.12 : x
  2. Step 2: Convert to fraction form
    2,244.79/3,367.74 = 1,321.12/x
  3. Step 3: Cross multiply
    2,244.79x = 3,367.74 × 1,321.12
  4. Step 4: Simplify right side
    2,244.79x = 4,449,171.83
  5. Step 5: Solve for x
    x = 4,449,171.83/2,244.79
  6. Step 6: Final answer
    x = 1,982.00

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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.