Home / 2,871.03-3,961.89-1,751.79

Finding the Fourth Proportional to 2,871.03, 3,961.89 and 1,751.79

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Solution

The fourth proportional to 2,871.03, 3,961.89 and 1,751.79 is: 2,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.03 : 3,961.89 = 1,751.79 : x
  2. Step 2: Convert to fraction form
    2,871.03/3,961.89 = 1,751.79/x
  3. Step 3: Cross multiply
    2,871.03x = 3,961.89 × 1,751.79
  4. Step 4: Simplify right side
    2,871.03x = 6,940,399.28
  5. Step 5: Solve for x
    x = 6,940,399.28/2,871.03
  6. Step 6: Final answer
    x = 2,417.39

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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.