Home / 2,206.96-3,310.34-1,339.44

Finding the Fourth Proportional to 2,206.96, 3,310.34 and 1,339.44

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Solution

The fourth proportional to 2,206.96, 3,310.34 and 1,339.44 is: 2,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.96 : 3,310.34 = 1,339.44 : x
  2. Step 2: Convert to fraction form
    2,206.96/3,310.34 = 1,339.44/x
  3. Step 3: Cross multiply
    2,206.96x = 3,310.34 × 1,339.44
  4. Step 4: Simplify right side
    2,206.96x = 4,434,001.81
  5. Step 5: Solve for x
    x = 4,434,001.81/2,206.96
  6. Step 6: Final answer
    x = 2,009.10

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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.