Home / 3,314.20-4,972.65-1,671.22

Finding the Fourth Proportional to 3,314.20, 4,972.65 and 1,671.22

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Solution

The fourth proportional to 3,314.20, 4,972.65 and 1,671.22 is: 2,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.20 : 4,972.65 = 1,671.22 : x
  2. Step 2: Convert to fraction form
    3,314.20/4,972.65 = 1,671.22/x
  3. Step 3: Cross multiply
    3,314.20x = 4,972.65 × 1,671.22
  4. Step 4: Simplify right side
    3,314.20x = 8,310,392.13
  5. Step 5: Solve for x
    x = 8,310,392.13/3,314.20
  6. Step 6: Final answer
    x = 2,507.51

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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.