Home / 1,725.20-2,380.97-1,026.57

Finding the Fourth Proportional to 1,725.20, 2,380.97 and 1,026.57

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Solution

The fourth proportional to 1,725.20, 2,380.97 and 1,026.57 is: 1,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.20 : 2,380.97 = 1,026.57 : x
  2. Step 2: Convert to fraction form
    1,725.20/2,380.97 = 1,026.57/x
  3. Step 3: Cross multiply
    1,725.20x = 2,380.97 × 1,026.57
  4. Step 4: Simplify right side
    1,725.20x = 2,444,227.24
  5. Step 5: Solve for x
    x = 2,444,227.24/1,725.20
  6. Step 6: Final answer
    x = 1,416.78

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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.