Home / 1,260.22-1,877.55-1,198.26

Finding the Fourth Proportional to 1,260.22, 1,877.55 and 1,198.26

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Solution

The fourth proportional to 1,260.22, 1,877.55 and 1,198.26 is: 1,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.22 : 1,877.55 = 1,198.26 : x
  2. Step 2: Convert to fraction form
    1,260.22/1,877.55 = 1,198.26/x
  3. Step 3: Cross multiply
    1,260.22x = 1,877.55 × 1,198.26
  4. Step 4: Simplify right side
    1,260.22x = 2,249,793.06
  5. Step 5: Solve for x
    x = 2,249,793.06/1,260.22
  6. Step 6: Final answer
    x = 1,785.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.