Home / 3,986.07-5,499.24-2,569.65

Finding the Fourth Proportional to 3,986.07, 5,499.24 and 2,569.65

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Solution

The fourth proportional to 3,986.07, 5,499.24 and 2,569.65 is: 3,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.07 : 5,499.24 = 2,569.65 : x
  2. Step 2: Convert to fraction form
    3,986.07/5,499.24 = 2,569.65/x
  3. Step 3: Cross multiply
    3,986.07x = 5,499.24 × 2,569.65
  4. Step 4: Simplify right side
    3,986.07x = 14,131,122.07
  5. Step 5: Solve for x
    x = 14,131,122.07/3,986.07
  6. Step 6: Final answer
    x = 3,545.13

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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.