Home / 2,206.23-3,309.45-1,231.59

Finding the Fourth Proportional to 2,206.23, 3,309.45 and 1,231.59

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Solution

The fourth proportional to 2,206.23, 3,309.45 and 1,231.59 is: 1,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.23 : 3,309.45 = 1,231.59 : x
  2. Step 2: Convert to fraction form
    2,206.23/3,309.45 = 1,231.59/x
  3. Step 3: Cross multiply
    2,206.23x = 3,309.45 × 1,231.59
  4. Step 4: Simplify right side
    2,206.23x = 4,075,885.53
  5. Step 5: Solve for x
    x = 4,075,885.53/2,206.23
  6. Step 6: Final answer
    x = 1,847.44

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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.