Home / 2,930.34-4,393.92-1,284.96

Finding the Fourth Proportional to 2,930.34, 4,393.92 and 1,284.96

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Solution

The fourth proportional to 2,930.34, 4,393.92 and 1,284.96 is: 1,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.34 : 4,393.92 = 1,284.96 : x
  2. Step 2: Convert to fraction form
    2,930.34/4,393.92 = 1,284.96/x
  3. Step 3: Cross multiply
    2,930.34x = 4,393.92 × 1,284.96
  4. Step 4: Simplify right side
    2,930.34x = 5,646,011.44
  5. Step 5: Solve for x
    x = 5,646,011.44/2,930.34
  6. Step 6: Final answer
    x = 1,926.74

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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.