Home / 2,943.43-4,405.57-2,828.61

Finding the Fourth Proportional to 2,943.43, 4,405.57 and 2,828.61

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Solution

The fourth proportional to 2,943.43, 4,405.57 and 2,828.61 is: 4,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.43 : 4,405.57 = 2,828.61 : x
  2. Step 2: Convert to fraction form
    2,943.43/4,405.57 = 2,828.61/x
  3. Step 3: Cross multiply
    2,943.43x = 4,405.57 × 2,828.61
  4. Step 4: Simplify right side
    2,943.43x = 12,461,639.36
  5. Step 5: Solve for x
    x = 12,461,639.36/2,943.43
  6. Step 6: Final answer
    x = 4,233.71

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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.