Home / 2,316.29-3,196.49-1,268.36

Finding the Fourth Proportional to 2,316.29, 3,196.49 and 1,268.36

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Solution

The fourth proportional to 2,316.29, 3,196.49 and 1,268.36 is: 1,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.29 : 3,196.49 = 1,268.36 : x
  2. Step 2: Convert to fraction form
    2,316.29/3,196.49 = 1,268.36/x
  3. Step 3: Cross multiply
    2,316.29x = 3,196.49 × 1,268.36
  4. Step 4: Simplify right side
    2,316.29x = 4,054,277.73
  5. Step 5: Solve for x
    x = 4,054,277.73/2,316.29
  6. Step 6: Final answer
    x = 1,750.33

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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.