Home / 3,278.34-4,919.94-1,548.18

Finding the Fourth Proportional to 3,278.34, 4,919.94 and 1,548.18

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Solution

The fourth proportional to 3,278.34, 4,919.94 and 1,548.18 is: 2,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.34 : 4,919.94 = 1,548.18 : x
  2. Step 2: Convert to fraction form
    3,278.34/4,919.94 = 1,548.18/x
  3. Step 3: Cross multiply
    3,278.34x = 4,919.94 × 1,548.18
  4. Step 4: Simplify right side
    3,278.34x = 7,616,952.71
  5. Step 5: Solve for x
    x = 7,616,952.71/3,278.34
  6. Step 6: Final answer
    x = 2,323.42

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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.