Home / 3,281.39-4,923.32-1,966.07

Finding the Fourth Proportional to 3,281.39, 4,923.32 and 1,966.07

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Solution

The fourth proportional to 3,281.39, 4,923.32 and 1,966.07 is: 2,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.39 : 4,923.32 = 1,966.07 : x
  2. Step 2: Convert to fraction form
    3,281.39/4,923.32 = 1,966.07/x
  3. Step 3: Cross multiply
    3,281.39x = 4,923.32 × 1,966.07
  4. Step 4: Simplify right side
    3,281.39x = 9,679,557.31
  5. Step 5: Solve for x
    x = 9,679,557.31/3,281.39
  6. Step 6: Final answer
    x = 2,949.83

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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.