Home / 1,418.24-2,117.22-1,199.44

Finding the Fourth Proportional to 1,418.24, 2,117.22 and 1,199.44

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Solution

The fourth proportional to 1,418.24, 2,117.22 and 1,199.44 is: 1,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.24 : 2,117.22 = 1,199.44 : x
  2. Step 2: Convert to fraction form
    1,418.24/2,117.22 = 1,199.44/x
  3. Step 3: Cross multiply
    1,418.24x = 2,117.22 × 1,199.44
  4. Step 4: Simplify right side
    1,418.24x = 2,539,478.36
  5. Step 5: Solve for x
    x = 2,539,478.36/1,418.24
  6. Step 6: Final answer
    x = 1,790.58

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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.