Home / 2,722.59-4,084.46-1,079.21

Finding the Fourth Proportional to 2,722.59, 4,084.46 and 1,079.21

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Solution

The fourth proportional to 2,722.59, 4,084.46 and 1,079.21 is: 1,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.59 : 4,084.46 = 1,079.21 : x
  2. Step 2: Convert to fraction form
    2,722.59/4,084.46 = 1,079.21/x
  3. Step 3: Cross multiply
    2,722.59x = 4,084.46 × 1,079.21
  4. Step 4: Simplify right side
    2,722.59x = 4,407,964.26
  5. Step 5: Solve for x
    x = 4,407,964.26/2,722.59
  6. Step 6: Final answer
    x = 1,619.03

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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.