Home / 2,825.69-4,237.11-976.25

Finding the Fourth Proportional to 2,825.69, 4,237.11 and 976.25

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Solution

The fourth proportional to 2,825.69, 4,237.11 and 976.25 is: 1,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.69 : 4,237.11 = 976.25 : x
  2. Step 2: Convert to fraction form
    2,825.69/4,237.11 = 976.25/x
  3. Step 3: Cross multiply
    2,825.69x = 4,237.11 × 976.25
  4. Step 4: Simplify right side
    2,825.69x = 4,136,489.23
  5. Step 5: Solve for x
    x = 4,136,489.23/2,825.69
  6. Step 6: Final answer
    x = 1,463.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.