Home / 2,725.56-4,087.83-724.26

Finding the Fourth Proportional to 2,725.56, 4,087.83 and 724.26

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Solution

The fourth proportional to 2,725.56, 4,087.83 and 724.26 is: 1,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.56 : 4,087.83 = 724.26 : x
  2. Step 2: Convert to fraction form
    2,725.56/4,087.83 = 724.26/x
  3. Step 3: Cross multiply
    2,725.56x = 4,087.83 × 724.26
  4. Step 4: Simplify right side
    2,725.56x = 2,960,651.76
  5. Step 5: Solve for x
    x = 2,960,651.76/2,725.56
  6. Step 6: Final answer
    x = 1,086.25

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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.