Home / 2,930.28-4,396.17-2,159.46

Finding the Fourth Proportional to 2,930.28, 4,396.17 and 2,159.46

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Solution

The fourth proportional to 2,930.28, 4,396.17 and 2,159.46 is: 3,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.28 : 4,396.17 = 2,159.46 : x
  2. Step 2: Convert to fraction form
    2,930.28/4,396.17 = 2,159.46/x
  3. Step 3: Cross multiply
    2,930.28x = 4,396.17 × 2,159.46
  4. Step 4: Simplify right side
    2,930.28x = 9,493,361.37
  5. Step 5: Solve for x
    x = 9,493,361.37/2,930.28
  6. Step 6: Final answer
    x = 3,239.75

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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.