Home / 2,166.16-3,244.26-1,298.56

Finding the Fourth Proportional to 2,166.16, 3,244.26 and 1,298.56

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Solution

The fourth proportional to 2,166.16, 3,244.26 and 1,298.56 is: 1,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.16 : 3,244.26 = 1,298.56 : x
  2. Step 2: Convert to fraction form
    2,166.16/3,244.26 = 1,298.56/x
  3. Step 3: Cross multiply
    2,166.16x = 3,244.26 × 1,298.56
  4. Step 4: Simplify right side
    2,166.16x = 4,212,866.27
  5. Step 5: Solve for x
    x = 4,212,866.27/2,166.16
  6. Step 6: Final answer
    x = 1,944.85

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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.