Home / 3,381.18-4,665.82-1,889.02

Finding the Fourth Proportional to 3,381.18, 4,665.82 and 1,889.02

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Solution

The fourth proportional to 3,381.18, 4,665.82 and 1,889.02 is: 2,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.18 : 4,665.82 = 1,889.02 : x
  2. Step 2: Convert to fraction form
    3,381.18/4,665.82 = 1,889.02/x
  3. Step 3: Cross multiply
    3,381.18x = 4,665.82 × 1,889.02
  4. Step 4: Simplify right side
    3,381.18x = 8,813,827.30
  5. Step 5: Solve for x
    x = 8,813,827.30/3,381.18
  6. Step 6: Final answer
    x = 2,606.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.