Home / 2,125.65-2,933.31-1,229.37

Finding the Fourth Proportional to 2,125.65, 2,933.31 and 1,229.37

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Solution

The fourth proportional to 2,125.65, 2,933.31 and 1,229.37 is: 1,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.65 : 2,933.31 = 1,229.37 : x
  2. Step 2: Convert to fraction form
    2,125.65/2,933.31 = 1,229.37/x
  3. Step 3: Cross multiply
    2,125.65x = 2,933.31 × 1,229.37
  4. Step 4: Simplify right side
    2,125.65x = 3,606,123.31
  5. Step 5: Solve for x
    x = 3,606,123.31/2,125.65
  6. Step 6: Final answer
    x = 1,696.48

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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.