Home / 3,258.03-4,885.82-1,309.57

Finding the Fourth Proportional to 3,258.03, 4,885.82 and 1,309.57

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Solution

The fourth proportional to 3,258.03, 4,885.82 and 1,309.57 is: 1,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.03 : 4,885.82 = 1,309.57 : x
  2. Step 2: Convert to fraction form
    3,258.03/4,885.82 = 1,309.57/x
  3. Step 3: Cross multiply
    3,258.03x = 4,885.82 × 1,309.57
  4. Step 4: Simplify right side
    3,258.03x = 6,398,323.30
  5. Step 5: Solve for x
    x = 6,398,323.30/3,258.03
  6. Step 6: Final answer
    x = 1,963.87

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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.