Home / 2,865.17-4,293.97-1,305.38

Finding the Fourth Proportional to 2,865.17, 4,293.97 and 1,305.38

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Solution

The fourth proportional to 2,865.17, 4,293.97 and 1,305.38 is: 1,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.17 : 4,293.97 = 1,305.38 : x
  2. Step 2: Convert to fraction form
    2,865.17/4,293.97 = 1,305.38/x
  3. Step 3: Cross multiply
    2,865.17x = 4,293.97 × 1,305.38
  4. Step 4: Simplify right side
    2,865.17x = 5,605,262.56
  5. Step 5: Solve for x
    x = 5,605,262.56/2,865.17
  6. Step 6: Final answer
    x = 1,956.35

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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.