Home / 3,330.32-4,994.56-1,382.06

Finding the Fourth Proportional to 3,330.32, 4,994.56 and 1,382.06

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Solution

The fourth proportional to 3,330.32, 4,994.56 and 1,382.06 is: 2,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.32 : 4,994.56 = 1,382.06 : x
  2. Step 2: Convert to fraction form
    3,330.32/4,994.56 = 1,382.06/x
  3. Step 3: Cross multiply
    3,330.32x = 4,994.56 × 1,382.06
  4. Step 4: Simplify right side
    3,330.32x = 6,902,795.81
  5. Step 5: Solve for x
    x = 6,902,795.81/3,330.32
  6. Step 6: Final answer
    x = 2,072.72

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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.