Home / 3,361.30-5,036.22-2,189.53

Finding the Fourth Proportional to 3,361.30, 5,036.22 and 2,189.53

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Solution

The fourth proportional to 3,361.30, 5,036.22 and 2,189.53 is: 3,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.30 : 5,036.22 = 2,189.53 : x
  2. Step 2: Convert to fraction form
    3,361.30/5,036.22 = 2,189.53/x
  3. Step 3: Cross multiply
    3,361.30x = 5,036.22 × 2,189.53
  4. Step 4: Simplify right side
    3,361.30x = 11,026,954.78
  5. Step 5: Solve for x
    x = 11,026,954.78/3,361.30
  6. Step 6: Final answer
    x = 3,280.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.