Home / 3,331.32-4,997.34-1,109.28

Finding the Fourth Proportional to 3,331.32, 4,997.34 and 1,109.28

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Solution

The fourth proportional to 3,331.32, 4,997.34 and 1,109.28 is: 1,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.32 : 4,997.34 = 1,109.28 : x
  2. Step 2: Convert to fraction form
    3,331.32/4,997.34 = 1,109.28/x
  3. Step 3: Cross multiply
    3,331.32x = 4,997.34 × 1,109.28
  4. Step 4: Simplify right side
    3,331.32x = 5,543,449.32
  5. Step 5: Solve for x
    x = 5,543,449.32/3,331.32
  6. Step 6: Final answer
    x = 1,664.04

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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.