Home / 3,339.82-4,607.40-2,161.27

Finding the Fourth Proportional to 3,339.82, 4,607.40 and 2,161.27

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Solution

The fourth proportional to 3,339.82, 4,607.40 and 2,161.27 is: 2,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.82 : 4,607.40 = 2,161.27 : x
  2. Step 2: Convert to fraction form
    3,339.82/4,607.40 = 2,161.27/x
  3. Step 3: Cross multiply
    3,339.82x = 4,607.40 × 2,161.27
  4. Step 4: Simplify right side
    3,339.82x = 9,957,835.40
  5. Step 5: Solve for x
    x = 9,957,835.40/3,339.82
  6. Step 6: Final answer
    x = 2,981.55

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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.