Home / 2,865.92-3,955.92-1,747.58

Finding the Fourth Proportional to 2,865.92, 3,955.92 and 1,747.58

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Solution

The fourth proportional to 2,865.92, 3,955.92 and 1,747.58 is: 2,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.92 : 3,955.92 = 1,747.58 : x
  2. Step 2: Convert to fraction form
    2,865.92/3,955.92 = 1,747.58/x
  3. Step 3: Cross multiply
    2,865.92x = 3,955.92 × 1,747.58
  4. Step 4: Simplify right side
    2,865.92x = 6,913,286.67
  5. Step 5: Solve for x
    x = 6,913,286.67/2,865.92
  6. Step 6: Final answer
    x = 2,412.24

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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.