Home / 2,201.13-3,037.61-1,361.88

Finding the Fourth Proportional to 2,201.13, 3,037.61 and 1,361.88

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Solution

The fourth proportional to 2,201.13, 3,037.61 and 1,361.88 is: 1,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.13 : 3,037.61 = 1,361.88 : x
  2. Step 2: Convert to fraction form
    2,201.13/3,037.61 = 1,361.88/x
  3. Step 3: Cross multiply
    2,201.13x = 3,037.61 × 1,361.88
  4. Step 4: Simplify right side
    2,201.13x = 4,136,863.71
  5. Step 5: Solve for x
    x = 4,136,863.71/2,201.13
  6. Step 6: Final answer
    x = 1,879.43

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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.