Home / 3,206.30-4,424.68-1,809.04

Finding the Fourth Proportional to 3,206.30, 4,424.68 and 1,809.04

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Solution

The fourth proportional to 3,206.30, 4,424.68 and 1,809.04 is: 2,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.30 : 4,424.68 = 1,809.04 : x
  2. Step 2: Convert to fraction form
    3,206.30/4,424.68 = 1,809.04/x
  3. Step 3: Cross multiply
    3,206.30x = 4,424.68 × 1,809.04
  4. Step 4: Simplify right side
    3,206.30x = 8,004,423.11
  5. Step 5: Solve for x
    x = 8,004,423.11/3,206.30
  6. Step 6: Final answer
    x = 2,496.47

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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.