Home / 2,725.12-4,079.36-1,797.12

Finding the Fourth Proportional to 2,725.12, 4,079.36 and 1,797.12

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Solution

The fourth proportional to 2,725.12, 4,079.36 and 1,797.12 is: 2,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.12 : 4,079.36 = 1,797.12 : x
  2. Step 2: Convert to fraction form
    2,725.12/4,079.36 = 1,797.12/x
  3. Step 3: Cross multiply
    2,725.12x = 4,079.36 × 1,797.12
  4. Step 4: Simplify right side
    2,725.12x = 7,331,099.44
  5. Step 5: Solve for x
    x = 7,331,099.44/2,725.12
  6. Step 6: Final answer
    x = 2,690.19

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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.