Home / 3,339.82-4,607.58-2,161.54

Finding the Fourth Proportional to 3,339.82, 4,607.58 and 2,161.54

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Solution

The fourth proportional to 3,339.82, 4,607.58 and 2,161.54 is: 2,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.82 : 4,607.58 = 2,161.54 : x
  2. Step 2: Convert to fraction form
    3,339.82/4,607.58 = 2,161.54/x
  3. Step 3: Cross multiply
    3,339.82x = 4,607.58 × 2,161.54
  4. Step 4: Simplify right side
    3,339.82x = 9,959,468.47
  5. Step 5: Solve for x
    x = 9,959,468.47/3,339.82
  6. Step 6: Final answer
    x = 2,982.04

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1.5x scale

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.