Home / 3,181.64-4,767.35-2,137.79

Finding the Fourth Proportional to 3,181.64, 4,767.35 and 2,137.79

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Solution

The fourth proportional to 3,181.64, 4,767.35 and 2,137.79 is: 3,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.64 : 4,767.35 = 2,137.79 : x
  2. Step 2: Convert to fraction form
    3,181.64/4,767.35 = 2,137.79/x
  3. Step 3: Cross multiply
    3,181.64x = 4,767.35 × 2,137.79
  4. Step 4: Simplify right side
    3,181.64x = 10,191,594.39
  5. Step 5: Solve for x
    x = 10,191,594.39/3,181.64
  6. Step 6: Final answer
    x = 3,203.26

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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.