Home / 3,359.21-5,035.41-1,278.68

Finding the Fourth Proportional to 3,359.21, 5,035.41 and 1,278.68

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Solution

The fourth proportional to 3,359.21, 5,035.41 and 1,278.68 is: 1,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.21 : 5,035.41 = 1,278.68 : x
  2. Step 2: Convert to fraction form
    3,359.21/5,035.41 = 1,278.68/x
  3. Step 3: Cross multiply
    3,359.21x = 5,035.41 × 1,278.68
  4. Step 4: Simplify right side
    3,359.21x = 6,438,652.88
  5. Step 5: Solve for x
    x = 6,438,652.88/3,359.21
  6. Step 6: Final answer
    x = 1,916.72

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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.