Home / 3,531.71-4,872.65-2,039.43

Finding the Fourth Proportional to 3,531.71, 4,872.65 and 2,039.43

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Solution

The fourth proportional to 3,531.71, 4,872.65 and 2,039.43 is: 2,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.71 : 4,872.65 = 2,039.43 : x
  2. Step 2: Convert to fraction form
    3,531.71/4,872.65 = 2,039.43/x
  3. Step 3: Cross multiply
    3,531.71x = 4,872.65 × 2,039.43
  4. Step 4: Simplify right side
    3,531.71x = 9,937,418.39
  5. Step 5: Solve for x
    x = 9,937,418.39/3,531.71
  6. Step 6: Final answer
    x = 2,813.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.