Home / 1,604.22-2,211.54-1,249.53

Finding the Fourth Proportional to 1,604.22, 2,211.54 and 1,249.53

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Solution

The fourth proportional to 1,604.22, 2,211.54 and 1,249.53 is: 1,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.22 : 2,211.54 = 1,249.53 : x
  2. Step 2: Convert to fraction form
    1,604.22/2,211.54 = 1,249.53/x
  3. Step 3: Cross multiply
    1,604.22x = 2,211.54 × 1,249.53
  4. Step 4: Simplify right side
    1,604.22x = 2,763,385.58
  5. Step 5: Solve for x
    x = 2,763,385.58/1,604.22
  6. Step 6: Final answer
    x = 1,722.57

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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.