Home / 3,318.22-4,977.33-1,370.44

Finding the Fourth Proportional to 3,318.22, 4,977.33 and 1,370.44

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Solution

The fourth proportional to 3,318.22, 4,977.33 and 1,370.44 is: 2,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.22 : 4,977.33 = 1,370.44 : x
  2. Step 2: Convert to fraction form
    3,318.22/4,977.33 = 1,370.44/x
  3. Step 3: Cross multiply
    3,318.22x = 4,977.33 × 1,370.44
  4. Step 4: Simplify right side
    3,318.22x = 6,821,132.13
  5. Step 5: Solve for x
    x = 6,821,132.13/3,318.22
  6. Step 6: Final answer
    x = 2,055.66

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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.