Home / 2,809.17-4,206.20-2,517.57

Finding the Fourth Proportional to 2,809.17, 4,206.20 and 2,517.57

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Solution

The fourth proportional to 2,809.17, 4,206.20 and 2,517.57 is: 3,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.17 : 4,206.20 = 2,517.57 : x
  2. Step 2: Convert to fraction form
    2,809.17/4,206.20 = 2,517.57/x
  3. Step 3: Cross multiply
    2,809.17x = 4,206.20 × 2,517.57
  4. Step 4: Simplify right side
    2,809.17x = 10,589,390.35
  5. Step 5: Solve for x
    x = 10,589,390.35/2,809.17
  6. Step 6: Final answer
    x = 3,769.58

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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.