Home / 3,212.92-4,814.70-2,290.36

Finding the Fourth Proportional to 3,212.92, 4,814.70 and 2,290.36

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Solution

The fourth proportional to 3,212.92, 4,814.70 and 2,290.36 is: 3,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.92 : 4,814.70 = 2,290.36 : x
  2. Step 2: Convert to fraction form
    3,212.92/4,814.70 = 2,290.36/x
  3. Step 3: Cross multiply
    3,212.92x = 4,814.70 × 2,290.36
  4. Step 4: Simplify right side
    3,212.92x = 11,027,396.29
  5. Step 5: Solve for x
    x = 11,027,396.29/3,212.92
  6. Step 6: Final answer
    x = 3,432.20

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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.