Home / 3,388.32-5,057.68-3,129.96

Finding the Fourth Proportional to 3,388.32, 5,057.68 and 3,129.96

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Solution

The fourth proportional to 3,388.32, 5,057.68 and 3,129.96 is: 4,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.32 : 5,057.68 = 3,129.96 : x
  2. Step 2: Convert to fraction form
    3,388.32/5,057.68 = 3,129.96/x
  3. Step 3: Cross multiply
    3,388.32x = 5,057.68 × 3,129.96
  4. Step 4: Simplify right side
    3,388.32x = 15,830,336.09
  5. Step 5: Solve for x
    x = 15,830,336.09/3,388.32
  6. Step 6: Final answer
    x = 4,672.03

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1.5x scale

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.