Home / 3,921.67-5,880.82-1,454.68

Finding the Fourth Proportional to 3,921.67, 5,880.82 and 1,454.68

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Solution

The fourth proportional to 3,921.67, 5,880.82 and 1,454.68 is: 2,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.67 : 5,880.82 = 1,454.68 : x
  2. Step 2: Convert to fraction form
    3,921.67/5,880.82 = 1,454.68/x
  3. Step 3: Cross multiply
    3,921.67x = 5,880.82 × 1,454.68
  4. Step 4: Simplify right side
    3,921.67x = 8,554,711.24
  5. Step 5: Solve for x
    x = 8,554,711.24/3,921.67
  6. Step 6: Final answer
    x = 2,181.39

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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.