Home / 3,181.26-4,388.85-2,295.12

Finding the Fourth Proportional to 3,181.26, 4,388.85 and 2,295.12

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Solution

The fourth proportional to 3,181.26, 4,388.85 and 2,295.12 is: 3,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.26 : 4,388.85 = 2,295.12 : x
  2. Step 2: Convert to fraction form
    3,181.26/4,388.85 = 2,295.12/x
  3. Step 3: Cross multiply
    3,181.26x = 4,388.85 × 2,295.12
  4. Step 4: Simplify right side
    3,181.26x = 10,072,937.41
  5. Step 5: Solve for x
    x = 10,072,937.41/3,181.26
  6. Step 6: Final answer
    x = 3,166.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.