Home / 3,143.49-4,716.21-1,295.47

Finding the Fourth Proportional to 3,143.49, 4,716.21 and 1,295.47

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Solution

The fourth proportional to 3,143.49, 4,716.21 and 1,295.47 is: 1,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.49 : 4,716.21 = 1,295.47 : x
  2. Step 2: Convert to fraction form
    3,143.49/4,716.21 = 1,295.47/x
  3. Step 3: Cross multiply
    3,143.49x = 4,716.21 × 1,295.47
  4. Step 4: Simplify right side
    3,143.49x = 6,109,719.32
  5. Step 5: Solve for x
    x = 6,109,719.32/3,143.49
  6. Step 6: Final answer
    x = 1,943.61

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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.