Home / 2,927.66-4,040.16-1,601.36

Finding the Fourth Proportional to 2,927.66, 4,040.16 and 1,601.36

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Solution

The fourth proportional to 2,927.66, 4,040.16 and 1,601.36 is: 2,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.66 : 4,040.16 = 1,601.36 : x
  2. Step 2: Convert to fraction form
    2,927.66/4,040.16 = 1,601.36/x
  3. Step 3: Cross multiply
    2,927.66x = 4,040.16 × 1,601.36
  4. Step 4: Simplify right side
    2,927.66x = 6,469,750.62
  5. Step 5: Solve for x
    x = 6,469,750.62/2,927.66
  6. Step 6: Final answer
    x = 2,209.87

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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.