Home / 2,212.52-3,319.26-1,116.44

Finding the Fourth Proportional to 2,212.52, 3,319.26 and 1,116.44

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Solution

The fourth proportional to 2,212.52, 3,319.26 and 1,116.44 is: 1,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.52 : 3,319.26 = 1,116.44 : x
  2. Step 2: Convert to fraction form
    2,212.52/3,319.26 = 1,116.44/x
  3. Step 3: Cross multiply
    2,212.52x = 3,319.26 × 1,116.44
  4. Step 4: Simplify right side
    2,212.52x = 3,705,754.63
  5. Step 5: Solve for x
    x = 3,705,754.63/2,212.52
  6. Step 6: Final answer
    x = 1,674.90

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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.