Home / 1,458.88-2,183.09-1,361.12

Finding the Fourth Proportional to 1,458.88, 2,183.09 and 1,361.12

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Solution

The fourth proportional to 1,458.88, 2,183.09 and 1,361.12 is: 2,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.88 : 2,183.09 = 1,361.12 : x
  2. Step 2: Convert to fraction form
    1,458.88/2,183.09 = 1,361.12/x
  3. Step 3: Cross multiply
    1,458.88x = 2,183.09 × 1,361.12
  4. Step 4: Simplify right side
    1,458.88x = 2,971,446.11
  5. Step 5: Solve for x
    x = 2,971,446.11/1,458.88
  6. Step 6: Final answer
    x = 2,036.80

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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.