Home / 2,316.88-3,197.33-1,268.87

Finding the Fourth Proportional to 2,316.88, 3,197.33 and 1,268.87

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Solution

The fourth proportional to 2,316.88, 3,197.33 and 1,268.87 is: 1,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.88 : 3,197.33 = 1,268.87 : x
  2. Step 2: Convert to fraction form
    2,316.88/3,197.33 = 1,268.87/x
  3. Step 3: Cross multiply
    2,316.88x = 3,197.33 × 1,268.87
  4. Step 4: Simplify right side
    2,316.88x = 4,057,007.28
  5. Step 5: Solve for x
    x = 4,057,007.28/2,316.88
  6. Step 6: Final answer
    x = 1,751.07

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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.