Home / 2,930.64-4,396.92-1,833.72

Finding the Fourth Proportional to 2,930.64, 4,396.92 and 1,833.72

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Solution

The fourth proportional to 2,930.64, 4,396.92 and 1,833.72 is: 2,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.64 : 4,396.92 = 1,833.72 : x
  2. Step 2: Convert to fraction form
    2,930.64/4,396.92 = 1,833.72/x
  3. Step 3: Cross multiply
    2,930.64x = 4,396.92 × 1,833.72
  4. Step 4: Simplify right side
    2,930.64x = 8,062,720.14
  5. Step 5: Solve for x
    x = 8,062,720.14/2,930.64
  6. Step 6: Final answer
    x = 2,751.18

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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.