Home / 2,301.12-3,175.62-1,253.24

Finding the Fourth Proportional to 2,301.12, 3,175.62 and 1,253.24

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Solution

The fourth proportional to 2,301.12, 3,175.62 and 1,253.24 is: 1,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.12 : 3,175.62 = 1,253.24 : x
  2. Step 2: Convert to fraction form
    2,301.12/3,175.62 = 1,253.24/x
  3. Step 3: Cross multiply
    2,301.12x = 3,175.62 × 1,253.24
  4. Step 4: Simplify right side
    2,301.12x = 3,979,814.01
  5. Step 5: Solve for x
    x = 3,979,814.01/2,301.12
  6. Step 6: Final answer
    x = 1,729.51

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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.