Home / 3,381.43-4,666.03-1,889.31

Finding the Fourth Proportional to 3,381.43, 4,666.03 and 1,889.31

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Solution

The fourth proportional to 3,381.43, 4,666.03 and 1,889.31 is: 2,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.43 : 4,666.03 = 1,889.31 : x
  2. Step 2: Convert to fraction form
    3,381.43/4,666.03 = 1,889.31/x
  3. Step 3: Cross multiply
    3,381.43x = 4,666.03 × 1,889.31
  4. Step 4: Simplify right side
    3,381.43x = 8,815,577.14
  5. Step 5: Solve for x
    x = 8,815,577.14/3,381.43
  6. Step 6: Final answer
    x = 2,607.06

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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.