Home / 2,921.26-4,033.58-1,927.95

Finding the Fourth Proportional to 2,921.26, 4,033.58 and 1,927.95

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Solution

The fourth proportional to 2,921.26, 4,033.58 and 1,927.95 is: 2,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.26 : 4,033.58 = 1,927.95 : x
  2. Step 2: Convert to fraction form
    2,921.26/4,033.58 = 1,927.95/x
  3. Step 3: Cross multiply
    2,921.26x = 4,033.58 × 1,927.95
  4. Step 4: Simplify right side
    2,921.26x = 7,776,540.56
  5. Step 5: Solve for x
    x = 7,776,540.56/2,921.26
  6. Step 6: Final answer
    x = 2,662.05

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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.