Home / 2,212.02-3,311.55-1,551.62

Finding the Fourth Proportional to 2,212.02, 3,311.55 and 1,551.62

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Solution

The fourth proportional to 2,212.02, 3,311.55 and 1,551.62 is: 2,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.02 : 3,311.55 = 1,551.62 : x
  2. Step 2: Convert to fraction form
    2,212.02/3,311.55 = 1,551.62/x
  3. Step 3: Cross multiply
    2,212.02x = 3,311.55 × 1,551.62
  4. Step 4: Simplify right side
    2,212.02x = 5,138,267.21
  5. Step 5: Solve for x
    x = 5,138,267.21/2,212.02
  6. Step 6: Final answer
    x = 2,322.88

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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.