Home / 2,299.38-3,175.40-1,965.87

Finding the Fourth Proportional to 2,299.38, 3,175.40 and 1,965.87

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Solution

The fourth proportional to 2,299.38, 3,175.40 and 1,965.87 is: 2,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.38 : 3,175.40 = 1,965.87 : x
  2. Step 2: Convert to fraction form
    2,299.38/3,175.40 = 1,965.87/x
  3. Step 3: Cross multiply
    2,299.38x = 3,175.40 × 1,965.87
  4. Step 4: Simplify right side
    2,299.38x = 6,242,413.77
  5. Step 5: Solve for x
    x = 6,242,413.77/2,299.38
  6. Step 6: Final answer
    x = 2,714.82

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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.