Home / 2,725.32-4,081.88-1,260.02

Finding the Fourth Proportional to 2,725.32, 4,081.88 and 1,260.02

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Solution

The fourth proportional to 2,725.32, 4,081.88 and 1,260.02 is: 1,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.32 : 4,081.88 = 1,260.02 : x
  2. Step 2: Convert to fraction form
    2,725.32/4,081.88 = 1,260.02/x
  3. Step 3: Cross multiply
    2,725.32x = 4,081.88 × 1,260.02
  4. Step 4: Simplify right side
    2,725.32x = 5,143,250.44
  5. Step 5: Solve for x
    x = 5,143,250.44/2,725.32
  6. Step 6: Final answer
    x = 1,887.21

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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.