Home / 2,630.65-3,627.70-2,040.97

Finding the Fourth Proportional to 2,630.65, 3,627.70 and 2,040.97

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Solution

The fourth proportional to 2,630.65, 3,627.70 and 2,040.97 is: 2,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.65 : 3,627.70 = 2,040.97 : x
  2. Step 2: Convert to fraction form
    2,630.65/3,627.70 = 2,040.97/x
  3. Step 3: Cross multiply
    2,630.65x = 3,627.70 × 2,040.97
  4. Step 4: Simplify right side
    2,630.65x = 7,404,026.87
  5. Step 5: Solve for x
    x = 7,404,026.87/2,630.65
  6. Step 6: Final answer
    x = 2,814.52

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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.