Home / 2,518.22-3,778.57-1,132.53

Finding the Fourth Proportional to 2,518.22, 3,778.57 and 1,132.53

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Solution

The fourth proportional to 2,518.22, 3,778.57 and 1,132.53 is: 1,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.22 : 3,778.57 = 1,132.53 : x
  2. Step 2: Convert to fraction form
    2,518.22/3,778.57 = 1,132.53/x
  3. Step 3: Cross multiply
    2,518.22x = 3,778.57 × 1,132.53
  4. Step 4: Simplify right side
    2,518.22x = 4,279,347.67
  5. Step 5: Solve for x
    x = 4,279,347.67/2,518.22
  6. Step 6: Final answer
    x = 1,699.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.