Home / 2,725.55-4,087.87-1,264.82

Finding the Fourth Proportional to 2,725.55, 4,087.87 and 1,264.82

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Solution

The fourth proportional to 2,725.55, 4,087.87 and 1,264.82 is: 1,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.55 : 4,087.87 = 1,264.82 : x
  2. Step 2: Convert to fraction form
    2,725.55/4,087.87 = 1,264.82/x
  3. Step 3: Cross multiply
    2,725.55x = 4,087.87 × 1,264.82
  4. Step 4: Simplify right side
    2,725.55x = 5,170,396.13
  5. Step 5: Solve for x
    x = 5,170,396.13/2,725.55
  6. Step 6: Final answer
    x = 1,897.01

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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.