Home / 3,381.37-4,666.01-1,889

Finding the Fourth Proportional to 3,381.37, 4,666.01 and 1,889

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Solution

The fourth proportional to 3,381.37, 4,666.01 and 1,889 is: 2,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.37 : 4,666.01 = 1,889 : x
  2. Step 2: Convert to fraction form
    3,381.37/4,666.01 = 1,889/x
  3. Step 3: Cross multiply
    3,381.37x = 4,666.01 × 1,889
  4. Step 4: Simplify right side
    3,381.37x = 8,814,092.89
  5. Step 5: Solve for x
    x = 8,814,092.89/3,381.37
  6. Step 6: Final answer
    x = 2,606.66

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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.