Home / 3,948.95-5,930.69-2,651.33

Finding the Fourth Proportional to 3,948.95, 5,930.69 and 2,651.33

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Solution

The fourth proportional to 3,948.95, 5,930.69 and 2,651.33 is: 3,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.95 : 5,930.69 = 2,651.33 : x
  2. Step 2: Convert to fraction form
    3,948.95/5,930.69 = 2,651.33/x
  3. Step 3: Cross multiply
    3,948.95x = 5,930.69 × 2,651.33
  4. Step 4: Simplify right side
    3,948.95x = 15,724,173.41
  5. Step 5: Solve for x
    x = 15,724,173.41/3,948.95
  6. Step 6: Final answer
    x = 3,981.87

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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.