Home / 3,631.39-5,013.89-2,835.61

Finding the Fourth Proportional to 3,631.39, 5,013.89 and 2,835.61

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Solution

The fourth proportional to 3,631.39, 5,013.89 and 2,835.61 is: 3,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.39 : 5,013.89 = 2,835.61 : x
  2. Step 2: Convert to fraction form
    3,631.39/5,013.89 = 2,835.61/x
  3. Step 3: Cross multiply
    3,631.39x = 5,013.89 × 2,835.61
  4. Step 4: Simplify right side
    3,631.39x = 14,217,436.62
  5. Step 5: Solve for x
    x = 14,217,436.62/3,631.39
  6. Step 6: Final answer
    x = 3,915.15

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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.