Home / 2,896.22-3,996.81-1,569.95

Finding the Fourth Proportional to 2,896.22, 3,996.81 and 1,569.95

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Solution

The fourth proportional to 2,896.22, 3,996.81 and 1,569.95 is: 2,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.22 : 3,996.81 = 1,569.95 : x
  2. Step 2: Convert to fraction form
    2,896.22/3,996.81 = 1,569.95/x
  3. Step 3: Cross multiply
    2,896.22x = 3,996.81 × 1,569.95
  4. Step 4: Simplify right side
    2,896.22x = 6,274,786.86
  5. Step 5: Solve for x
    x = 6,274,786.86/2,896.22
  6. Step 6: Final answer
    x = 2,166.54

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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.