Home / 2,947.22-4,421.75-1,098.48

Finding the Fourth Proportional to 2,947.22, 4,421.75 and 1,098.48

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Solution

The fourth proportional to 2,947.22, 4,421.75 and 1,098.48 is: 1,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.22 : 4,421.75 = 1,098.48 : x
  2. Step 2: Convert to fraction form
    2,947.22/4,421.75 = 1,098.48/x
  3. Step 3: Cross multiply
    2,947.22x = 4,421.75 × 1,098.48
  4. Step 4: Simplify right side
    2,947.22x = 4,857,198.45
  5. Step 5: Solve for x
    x = 4,857,198.45/2,947.22
  6. Step 6: Final answer
    x = 1,648.06

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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.