Home / 3,381.83-4,665.52-2,122.48

Finding the Fourth Proportional to 3,381.83, 4,665.52 and 2,122.48

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Solution

The fourth proportional to 3,381.83, 4,665.52 and 2,122.48 is: 2,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.83 : 4,665.52 = 2,122.48 : x
  2. Step 2: Convert to fraction form
    3,381.83/4,665.52 = 2,122.48/x
  3. Step 3: Cross multiply
    3,381.83x = 4,665.52 × 2,122.48
  4. Step 4: Simplify right side
    3,381.83x = 9,902,455.92
  5. Step 5: Solve for x
    x = 9,902,455.92/3,381.83
  6. Step 6: Final answer
    x = 2,928.14

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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.