Home / 2,799.33-3,866.09-2,177.31

Finding the Fourth Proportional to 2,799.33, 3,866.09 and 2,177.31

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Solution

The fourth proportional to 2,799.33, 3,866.09 and 2,177.31 is: 3,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.33 : 3,866.09 = 2,177.31 : x
  2. Step 2: Convert to fraction form
    2,799.33/3,866.09 = 2,177.31/x
  3. Step 3: Cross multiply
    2,799.33x = 3,866.09 × 2,177.31
  4. Step 4: Simplify right side
    2,799.33x = 8,417,665.53
  5. Step 5: Solve for x
    x = 8,417,665.53/2,799.33
  6. Step 6: Final answer
    x = 3,007.03

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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.