Home / 3,317.32-4,955.90-2,137.70

Finding the Fourth Proportional to 3,317.32, 4,955.90 and 2,137.70

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Solution

The fourth proportional to 3,317.32, 4,955.90 and 2,137.70 is: 3,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.32 : 4,955.90 = 2,137.70 : x
  2. Step 2: Convert to fraction form
    3,317.32/4,955.90 = 2,137.70/x
  3. Step 3: Cross multiply
    3,317.32x = 4,955.90 × 2,137.70
  4. Step 4: Simplify right side
    3,317.32x = 10,594,227.43
  5. Step 5: Solve for x
    x = 10,594,227.43/3,317.32
  6. Step 6: Final answer
    x = 3,193.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.