Home / 2,206.04-3,309.36-744.80

Finding the Fourth Proportional to 2,206.04, 3,309.36 and 744.80

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Solution

The fourth proportional to 2,206.04, 3,309.36 and 744.80 is: 1,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.04 : 3,309.36 = 744.80 : x
  2. Step 2: Convert to fraction form
    2,206.04/3,309.36 = 744.80/x
  3. Step 3: Cross multiply
    2,206.04x = 3,309.36 × 744.80
  4. Step 4: Simplify right side
    2,206.04x = 2,464,791.99
  5. Step 5: Solve for x
    x = 2,464,791.99/2,206.04
  6. Step 6: Final answer
    x = 1,117.30

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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.