Home / 2,825.39-4,237.41-976.57

Finding the Fourth Proportional to 2,825.39, 4,237.41 and 976.57

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Solution

The fourth proportional to 2,825.39, 4,237.41 and 976.57 is: 1,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.39 : 4,237.41 = 976.57 : x
  2. Step 2: Convert to fraction form
    2,825.39/4,237.41 = 976.57/x
  3. Step 3: Cross multiply
    2,825.39x = 4,237.41 × 976.57
  4. Step 4: Simplify right side
    2,825.39x = 4,138,127.48
  5. Step 5: Solve for x
    x = 4,138,127.48/2,825.39
  6. Step 6: Final answer
    x = 1,464.62

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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.