Home / 2,812.08-4,227.23-2,609.18

Finding the Fourth Proportional to 2,812.08, 4,227.23 and 2,609.18

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Solution

The fourth proportional to 2,812.08, 4,227.23 and 2,609.18 is: 3,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.08 : 4,227.23 = 2,609.18 : x
  2. Step 2: Convert to fraction form
    2,812.08/4,227.23 = 2,609.18/x
  3. Step 3: Cross multiply
    2,812.08x = 4,227.23 × 2,609.18
  4. Step 4: Simplify right side
    2,812.08x = 11,029,605.21
  5. Step 5: Solve for x
    x = 11,029,605.21/2,812.08
  6. Step 6: Final answer
    x = 3,922.22

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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.