Home / 3,930.10-5,880.31-2,342.95

Finding the Fourth Proportional to 3,930.10, 5,880.31 and 2,342.95

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Solution

The fourth proportional to 3,930.10, 5,880.31 and 2,342.95 is: 3,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.10 : 5,880.31 = 2,342.95 : x
  2. Step 2: Convert to fraction form
    3,930.10/5,880.31 = 2,342.95/x
  3. Step 3: Cross multiply
    3,930.10x = 5,880.31 × 2,342.95
  4. Step 4: Simplify right side
    3,930.10x = 13,777,272.31
  5. Step 5: Solve for x
    x = 13,777,272.31/3,930.10
  6. Step 6: Final answer
    x = 3,505.58

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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.