Home / 2,725.76-3,761.49-1,530.77

Finding the Fourth Proportional to 2,725.76, 3,761.49 and 1,530.77

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Solution

The fourth proportional to 2,725.76, 3,761.49 and 1,530.77 is: 2,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.76 : 3,761.49 = 1,530.77 : x
  2. Step 2: Convert to fraction form
    2,725.76/3,761.49 = 1,530.77/x
  3. Step 3: Cross multiply
    2,725.76x = 3,761.49 × 1,530.77
  4. Step 4: Simplify right side
    2,725.76x = 5,757,976.05
  5. Step 5: Solve for x
    x = 5,757,976.05/2,725.76
  6. Step 6: Final answer
    x = 2,112.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.