Home / 3,330.05-4,982.72-2,669.92

Finding the Fourth Proportional to 3,330.05, 4,982.72 and 2,669.92

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Solution

The fourth proportional to 3,330.05, 4,982.72 and 2,669.92 is: 3,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.05 : 4,982.72 = 2,669.92 : x
  2. Step 2: Convert to fraction form
    3,330.05/4,982.72 = 2,669.92/x
  3. Step 3: Cross multiply
    3,330.05x = 4,982.72 × 2,669.92
  4. Step 4: Simplify right side
    3,330.05x = 13,303,437.98
  5. Step 5: Solve for x
    x = 13,303,437.98/3,330.05
  6. Step 6: Final answer
    x = 3,994.97

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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.