Home / 2,301.06-3,175.36-1,253.12

Finding the Fourth Proportional to 2,301.06, 3,175.36 and 1,253.12

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Solution

The fourth proportional to 2,301.06, 3,175.36 and 1,253.12 is: 1,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.06 : 3,175.36 = 1,253.12 : x
  2. Step 2: Convert to fraction form
    2,301.06/3,175.36 = 1,253.12/x
  3. Step 3: Cross multiply
    2,301.06x = 3,175.36 × 1,253.12
  4. Step 4: Simplify right side
    2,301.06x = 3,979,107.12
  5. Step 5: Solve for x
    x = 3,979,107.12/2,301.06
  6. Step 6: Final answer
    x = 1,729.25

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1.5x scale

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.