Home / 3,414.38-5,116.64-1,953.95

Finding the Fourth Proportional to 3,414.38, 5,116.64 and 1,953.95

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Solution

The fourth proportional to 3,414.38, 5,116.64 and 1,953.95 is: 2,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.38 : 5,116.64 = 1,953.95 : x
  2. Step 2: Convert to fraction form
    3,414.38/5,116.64 = 1,953.95/x
  3. Step 3: Cross multiply
    3,414.38x = 5,116.64 × 1,953.95
  4. Step 4: Simplify right side
    3,414.38x = 9,997,623.38
  5. Step 5: Solve for x
    x = 9,997,623.38/3,414.38
  6. Step 6: Final answer
    x = 2,928.10

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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.