Home / 2,578.34-3,573.09-2,529.11

Finding the Fourth Proportional to 2,578.34, 3,573.09 and 2,529.11

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Solution

The fourth proportional to 2,578.34, 3,573.09 and 2,529.11 is: 3,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.34 : 3,573.09 = 2,529.11 : x
  2. Step 2: Convert to fraction form
    2,578.34/3,573.09 = 2,529.11/x
  3. Step 3: Cross multiply
    2,578.34x = 3,573.09 × 2,529.11
  4. Step 4: Simplify right side
    2,578.34x = 9,036,737.65
  5. Step 5: Solve for x
    x = 9,036,737.65/2,578.34
  6. Step 6: Final answer
    x = 3,504.87

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.