Home / 3,008.32-4,512.36-928.24

Finding the Fourth Proportional to 3,008.32, 4,512.36 and 928.24

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Solution

The fourth proportional to 3,008.32, 4,512.36 and 928.24 is: 1,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.32 : 4,512.36 = 928.24 : x
  2. Step 2: Convert to fraction form
    3,008.32/4,512.36 = 928.24/x
  3. Step 3: Cross multiply
    3,008.32x = 4,512.36 × 928.24
  4. Step 4: Simplify right side
    3,008.32x = 4,188,553.05
  5. Step 5: Solve for x
    x = 4,188,553.05/3,008.32
  6. Step 6: Final answer
    x = 1,392.32

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1.5x scale

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.