Home / 2,201.65-3,036.76-1,361.48

Finding the Fourth Proportional to 2,201.65, 3,036.76 and 1,361.48

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Solution

The fourth proportional to 2,201.65, 3,036.76 and 1,361.48 is: 1,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.65 : 3,036.76 = 1,361.48 : x
  2. Step 2: Convert to fraction form
    2,201.65/3,036.76 = 1,361.48/x
  3. Step 3: Cross multiply
    2,201.65x = 3,036.76 × 1,361.48
  4. Step 4: Simplify right side
    2,201.65x = 4,134,469.42
  5. Step 5: Solve for x
    x = 4,134,469.42/2,201.65
  6. Step 6: Final answer
    x = 1,877.90

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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.