Home / 3,418.56-5,122.44-1,953.36

Finding the Fourth Proportional to 3,418.56, 5,122.44 and 1,953.36

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Solution

The fourth proportional to 3,418.56, 5,122.44 and 1,953.36 is: 2,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.56 : 5,122.44 = 1,953.36 : x
  2. Step 2: Convert to fraction form
    3,418.56/5,122.44 = 1,953.36/x
  3. Step 3: Cross multiply
    3,418.56x = 5,122.44 × 1,953.36
  4. Step 4: Simplify right side
    3,418.56x = 10,005,969.40
  5. Step 5: Solve for x
    x = 10,005,969.40/3,418.56
  6. Step 6: Final answer
    x = 2,926.95

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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.