Home / 1,544.27-2,129.22-1,072.56

Finding the Fourth Proportional to 1,544.27, 2,129.22 and 1,072.56

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Solution

The fourth proportional to 1,544.27, 2,129.22 and 1,072.56 is: 1,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.27 : 2,129.22 = 1,072.56 : x
  2. Step 2: Convert to fraction form
    1,544.27/2,129.22 = 1,072.56/x
  3. Step 3: Cross multiply
    1,544.27x = 2,129.22 × 1,072.56
  4. Step 4: Simplify right side
    1,544.27x = 2,283,716.20
  5. Step 5: Solve for x
    x = 2,283,716.20/1,544.27
  6. Step 6: Final answer
    x = 1,478.84

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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.