Home / 2,799.12-3,868.16-2,326.56

Finding the Fourth Proportional to 2,799.12, 3,868.16 and 2,326.56

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Solution

The fourth proportional to 2,799.12, 3,868.16 and 2,326.56 is: 3,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.12 : 3,868.16 = 2,326.56 : x
  2. Step 2: Convert to fraction form
    2,799.12/3,868.16 = 2,326.56/x
  3. Step 3: Cross multiply
    2,799.12x = 3,868.16 × 2,326.56
  4. Step 4: Simplify right side
    2,799.12x = 8,999,506.33
  5. Step 5: Solve for x
    x = 8,999,506.33/2,799.12
  6. Step 6: Final answer
    x = 3,215.12

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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.