Home / 2,216.70-3,321.36-1,566.09

Finding the Fourth Proportional to 2,216.70, 3,321.36 and 1,566.09

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Solution

The fourth proportional to 2,216.70, 3,321.36 and 1,566.09 is: 2,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.70 : 3,321.36 = 1,566.09 : x
  2. Step 2: Convert to fraction form
    2,216.70/3,321.36 = 1,566.09/x
  3. Step 3: Cross multiply
    2,216.70x = 3,321.36 × 1,566.09
  4. Step 4: Simplify right side
    2,216.70x = 5,201,548.68
  5. Step 5: Solve for x
    x = 5,201,548.68/2,216.70
  6. Step 6: Final answer
    x = 2,346.53

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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.