Home / 2,149.33-2,965.99-1,253.16

Finding the Fourth Proportional to 2,149.33, 2,965.99 and 1,253.16

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Solution

The fourth proportional to 2,149.33, 2,965.99 and 1,253.16 is: 1,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.33 : 2,965.99 = 1,253.16 : x
  2. Step 2: Convert to fraction form
    2,149.33/2,965.99 = 1,253.16/x
  3. Step 3: Cross multiply
    2,149.33x = 2,965.99 × 1,253.16
  4. Step 4: Simplify right side
    2,149.33x = 3,716,860.03
  5. Step 5: Solve for x
    x = 3,716,860.03/2,149.33
  6. Step 6: Final answer
    x = 1,729.31

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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.