Home / 2,654.11-3,979.62-1,010.77

Finding the Fourth Proportional to 2,654.11, 3,979.62 and 1,010.77

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Solution

The fourth proportional to 2,654.11, 3,979.62 and 1,010.77 is: 1,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.11 : 3,979.62 = 1,010.77 : x
  2. Step 2: Convert to fraction form
    2,654.11/3,979.62 = 1,010.77/x
  3. Step 3: Cross multiply
    2,654.11x = 3,979.62 × 1,010.77
  4. Step 4: Simplify right side
    2,654.11x = 4,022,480.51
  5. Step 5: Solve for x
    x = 4,022,480.51/2,654.11
  6. Step 6: Final answer
    x = 1,515.57

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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.