Home / 3,531.84-4,874.04-2,039.88

Finding the Fourth Proportional to 3,531.84, 4,874.04 and 2,039.88

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Solution

The fourth proportional to 3,531.84, 4,874.04 and 2,039.88 is: 2,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.84 : 4,874.04 = 2,039.88 : x
  2. Step 2: Convert to fraction form
    3,531.84/4,874.04 = 2,039.88/x
  3. Step 3: Cross multiply
    3,531.84x = 4,874.04 × 2,039.88
  4. Step 4: Simplify right side
    3,531.84x = 9,942,456.72
  5. Step 5: Solve for x
    x = 9,942,456.72/3,531.84
  6. Step 6: Final answer
    x = 2,815.09

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1.5x scale

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.