Home / 3,381.64-4,663.68-2,201.56

Finding the Fourth Proportional to 3,381.64, 4,663.68 and 2,201.56

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Solution

The fourth proportional to 3,381.64, 4,663.68 and 2,201.56 is: 3,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.64 : 4,663.68 = 2,201.56 : x
  2. Step 2: Convert to fraction form
    3,381.64/4,663.68 = 2,201.56/x
  3. Step 3: Cross multiply
    3,381.64x = 4,663.68 × 2,201.56
  4. Step 4: Simplify right side
    3,381.64x = 10,267,371.34
  5. Step 5: Solve for x
    x = 10,267,371.34/3,381.64
  6. Step 6: Final answer
    x = 3,036.21

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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.