Home / 3,381.08-4,666.34-1,889.10

Finding the Fourth Proportional to 3,381.08, 4,666.34 and 1,889.10

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Solution

The fourth proportional to 3,381.08, 4,666.34 and 1,889.10 is: 2,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.08 : 4,666.34 = 1,889.10 : x
  2. Step 2: Convert to fraction form
    3,381.08/4,666.34 = 1,889.10/x
  3. Step 3: Cross multiply
    3,381.08x = 4,666.34 × 1,889.10
  4. Step 4: Simplify right side
    3,381.08x = 8,815,187.62
  5. Step 5: Solve for x
    x = 8,815,187.62/3,381.08
  6. Step 6: Final answer
    x = 2,607.21

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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.