Home / 1,296.17-1,943.50-418.44

Finding the Fourth Proportional to 1,296.17, 1,943.50 and 418.44

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Solution

The fourth proportional to 1,296.17, 1,943.50 and 418.44 is: 627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.17 : 1,943.50 = 418.44 : x
  2. Step 2: Convert to fraction form
    1,296.17/1,943.50 = 418.44/x
  3. Step 3: Cross multiply
    1,296.17x = 1,943.50 × 418.44
  4. Step 4: Simplify right side
    1,296.17x = 813,238.14
  5. Step 5: Solve for x
    x = 813,238.14/1,296.17
  6. Step 6: Final answer
    x = 627.42

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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.