Home / 3,206.92-4,424.82-1,809.16

Finding the Fourth Proportional to 3,206.92, 4,424.82 and 1,809.16

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Solution

The fourth proportional to 3,206.92, 4,424.82 and 1,809.16 is: 2,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.92 : 4,424.82 = 1,809.16 : x
  2. Step 2: Convert to fraction form
    3,206.92/4,424.82 = 1,809.16/x
  3. Step 3: Cross multiply
    3,206.92x = 4,424.82 × 1,809.16
  4. Step 4: Simplify right side
    3,206.92x = 8,005,207.35
  5. Step 5: Solve for x
    x = 8,005,207.35/3,206.92
  6. Step 6: Final answer
    x = 2,496.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.