Home / 2,640.98-3,644.91-2,010.62

Finding the Fourth Proportional to 2,640.98, 3,644.91 and 2,010.62

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Solution

The fourth proportional to 2,640.98, 3,644.91 and 2,010.62 is: 2,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640.98 : 3,644.91 = 2,010.62 : x
  2. Step 2: Convert to fraction form
    2,640.98/3,644.91 = 2,010.62/x
  3. Step 3: Cross multiply
    2,640.98x = 3,644.91 × 2,010.62
  4. Step 4: Simplify right side
    2,640.98x = 7,328,510.72
  5. Step 5: Solve for x
    x = 7,328,510.72/2,640.98
  6. Step 6: Final answer
    x = 2,774.93

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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.