Home / 2,803.31-4,205.26-1,342.88

Finding the Fourth Proportional to 2,803.31, 4,205.26 and 1,342.88

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Solution

The fourth proportional to 2,803.31, 4,205.26 and 1,342.88 is: 2,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.31 : 4,205.26 = 1,342.88 : x
  2. Step 2: Convert to fraction form
    2,803.31/4,205.26 = 1,342.88/x
  3. Step 3: Cross multiply
    2,803.31x = 4,205.26 × 1,342.88
  4. Step 4: Simplify right side
    2,803.31x = 5,647,138.52
  5. Step 5: Solve for x
    x = 5,647,138.52/2,803.31
  6. Step 6: Final answer
    x = 2,014.46

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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.