Home / 2,216.05-3,324.10-1,120.46

Finding the Fourth Proportional to 2,216.05, 3,324.10 and 1,120.46

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Solution

The fourth proportional to 2,216.05, 3,324.10 and 1,120.46 is: 1,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.05 : 3,324.10 = 1,120.46 : x
  2. Step 2: Convert to fraction form
    2,216.05/3,324.10 = 1,120.46/x
  3. Step 3: Cross multiply
    2,216.05x = 3,324.10 × 1,120.46
  4. Step 4: Simplify right side
    2,216.05x = 3,724,501.66
  5. Step 5: Solve for x
    x = 3,724,501.66/2,216.05
  6. Step 6: Final answer
    x = 1,680.70

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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.