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Finding the Fourth Proportional to 2,653.62, 3,979.65 and 1,010.10

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Solution

The fourth proportional to 2,653.62, 3,979.65 and 1,010.10 is: 1,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.62 : 3,979.65 = 1,010.10 : x
  2. Step 2: Convert to fraction form
    2,653.62/3,979.65 = 1,010.10/x
  3. Step 3: Cross multiply
    2,653.62x = 3,979.65 × 1,010.10
  4. Step 4: Simplify right side
    2,653.62x = 4,019,844.47
  5. Step 5: Solve for x
    x = 4,019,844.47/2,653.62
  6. Step 6: Final answer
    x = 1,514.85

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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.