Home / 2,725.96-3,761.68-1,530.79

Finding the Fourth Proportional to 2,725.96, 3,761.68 and 1,530.79

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Solution

The fourth proportional to 2,725.96, 3,761.68 and 1,530.79 is: 2,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.96 : 3,761.68 = 1,530.79 : x
  2. Step 2: Convert to fraction form
    2,725.96/3,761.68 = 1,530.79/x
  3. Step 3: Cross multiply
    2,725.96x = 3,761.68 × 1,530.79
  4. Step 4: Simplify right side
    2,725.96x = 5,758,342.13
  5. Step 5: Solve for x
    x = 5,758,342.13/2,725.96
  6. Step 6: Final answer
    x = 2,112.41

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1.5x scale

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.