Home / 1,359.33-1,878.39-1,027.19

Finding the Fourth Proportional to 1,359.33, 1,878.39 and 1,027.19

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Solution

The fourth proportional to 1,359.33, 1,878.39 and 1,027.19 is: 1,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.33 : 1,878.39 = 1,027.19 : x
  2. Step 2: Convert to fraction form
    1,359.33/1,878.39 = 1,027.19/x
  3. Step 3: Cross multiply
    1,359.33x = 1,878.39 × 1,027.19
  4. Step 4: Simplify right side
    1,359.33x = 1,929,454.03
  5. Step 5: Solve for x
    x = 1,929,454.03/1,359.33
  6. Step 6: Final answer
    x = 1,419.42

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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.