Home / 3,209.24-4,812.63-1,260.38

Finding the Fourth Proportional to 3,209.24, 4,812.63 and 1,260.38

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Solution

The fourth proportional to 3,209.24, 4,812.63 and 1,260.38 is: 1,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.24 : 4,812.63 = 1,260.38 : x
  2. Step 2: Convert to fraction form
    3,209.24/4,812.63 = 1,260.38/x
  3. Step 3: Cross multiply
    3,209.24x = 4,812.63 × 1,260.38
  4. Step 4: Simplify right side
    3,209.24x = 6,065,742.60
  5. Step 5: Solve for x
    x = 6,065,742.60/3,209.24
  6. Step 6: Final answer
    x = 1,890.09

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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.