Home / 3,359.19-5,035.41-1,278.66

Finding the Fourth Proportional to 3,359.19, 5,035.41 and 1,278.66

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Solution

The fourth proportional to 3,359.19, 5,035.41 and 1,278.66 is: 1,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.19 : 5,035.41 = 1,278.66 : x
  2. Step 2: Convert to fraction form
    3,359.19/5,035.41 = 1,278.66/x
  3. Step 3: Cross multiply
    3,359.19x = 5,035.41 × 1,278.66
  4. Step 4: Simplify right side
    3,359.19x = 6,438,577.35
  5. Step 5: Solve for x
    x = 6,438,577.35/3,359.19
  6. Step 6: Final answer
    x = 1,916.71

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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.