Home / 2,301.14-3,175.59-1,253.21

Finding the Fourth Proportional to 2,301.14, 3,175.59 and 1,253.21

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Solution

The fourth proportional to 2,301.14, 3,175.59 and 1,253.21 is: 1,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.14 : 3,175.59 = 1,253.21 : x
  2. Step 2: Convert to fraction form
    2,301.14/3,175.59 = 1,253.21/x
  3. Step 3: Cross multiply
    2,301.14x = 3,175.59 × 1,253.21
  4. Step 4: Simplify right side
    2,301.14x = 3,979,681.14
  5. Step 5: Solve for x
    x = 3,979,681.14/2,301.14
  6. Step 6: Final answer
    x = 1,729.44

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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.