Home / 3,289.17-4,931.33-1,208.09

Finding the Fourth Proportional to 3,289.17, 4,931.33 and 1,208.09

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Solution

The fourth proportional to 3,289.17, 4,931.33 and 1,208.09 is: 1,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.17 : 4,931.33 = 1,208.09 : x
  2. Step 2: Convert to fraction form
    3,289.17/4,931.33 = 1,208.09/x
  3. Step 3: Cross multiply
    3,289.17x = 4,931.33 × 1,208.09
  4. Step 4: Simplify right side
    3,289.17x = 5,957,459.76
  5. Step 5: Solve for x
    x = 5,957,459.76/3,289.17
  6. Step 6: Final answer
    x = 1,811.23

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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.