Home / 3,074.22-4,607.82-1,318.68

Finding the Fourth Proportional to 3,074.22, 4,607.82 and 1,318.68

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Solution

The fourth proportional to 3,074.22, 4,607.82 and 1,318.68 is: 1,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.22 : 4,607.82 = 1,318.68 : x
  2. Step 2: Convert to fraction form
    3,074.22/4,607.82 = 1,318.68/x
  3. Step 3: Cross multiply
    3,074.22x = 4,607.82 × 1,318.68
  4. Step 4: Simplify right side
    3,074.22x = 6,076,240.08
  5. Step 5: Solve for x
    x = 6,076,240.08/3,074.22
  6. Step 6: Final answer
    x = 1,976.51

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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.