Home / 2,930.88-4,396.46-1,631.37

Finding the Fourth Proportional to 2,930.88, 4,396.46 and 1,631.37

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Solution

The fourth proportional to 2,930.88, 4,396.46 and 1,631.37 is: 2,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.88 : 4,396.46 = 1,631.37 : x
  2. Step 2: Convert to fraction form
    2,930.88/4,396.46 = 1,631.37/x
  3. Step 3: Cross multiply
    2,930.88x = 4,396.46 × 1,631.37
  4. Step 4: Simplify right side
    2,930.88x = 7,172,244.79
  5. Step 5: Solve for x
    x = 7,172,244.79/2,930.88
  6. Step 6: Final answer
    x = 2,447.13

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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.