Home / 3,705.92-5,112.24-2,213.36

Finding the Fourth Proportional to 3,705.92, 5,112.24 and 2,213.36

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Solution

The fourth proportional to 3,705.92, 5,112.24 and 2,213.36 is: 3,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.92 : 5,112.24 = 2,213.36 : x
  2. Step 2: Convert to fraction form
    3,705.92/5,112.24 = 2,213.36/x
  3. Step 3: Cross multiply
    3,705.92x = 5,112.24 × 2,213.36
  4. Step 4: Simplify right side
    3,705.92x = 11,315,227.53
  5. Step 5: Solve for x
    x = 11,315,227.53/3,705.92
  6. Step 6: Final answer
    x = 3,053.28

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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.