Home / 2,216.57-3,327.68-1,398.26

Finding the Fourth Proportional to 2,216.57, 3,327.68 and 1,398.26

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Solution

The fourth proportional to 2,216.57, 3,327.68 and 1,398.26 is: 2,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.57 : 3,327.68 = 1,398.26 : x
  2. Step 2: Convert to fraction form
    2,216.57/3,327.68 = 1,398.26/x
  3. Step 3: Cross multiply
    2,216.57x = 3,327.68 × 1,398.26
  4. Step 4: Simplify right side
    2,216.57x = 4,652,973.65
  5. Step 5: Solve for x
    x = 4,652,973.65/2,216.57
  6. Step 6: Final answer
    x = 2,099.18

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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.