Home / 3,381.33-4,665.90-1,889.22

Finding the Fourth Proportional to 3,381.33, 4,665.90 and 1,889.22

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Solution

The fourth proportional to 3,381.33, 4,665.90 and 1,889.22 is: 2,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.33 : 4,665.90 = 1,889.22 : x
  2. Step 2: Convert to fraction form
    3,381.33/4,665.90 = 1,889.22/x
  3. Step 3: Cross multiply
    3,381.33x = 4,665.90 × 1,889.22
  4. Step 4: Simplify right side
    3,381.33x = 8,814,911.60
  5. Step 5: Solve for x
    x = 8,814,911.60/3,381.33
  6. Step 6: Final answer
    x = 2,606.94

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1.5x scale

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.