Home / 3,135.61-4,696.80-2,515.96

Finding the Fourth Proportional to 3,135.61, 4,696.80 and 2,515.96

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Solution

The fourth proportional to 3,135.61, 4,696.80 and 2,515.96 is: 3,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.61 : 4,696.80 = 2,515.96 : x
  2. Step 2: Convert to fraction form
    3,135.61/4,696.80 = 2,515.96/x
  3. Step 3: Cross multiply
    3,135.61x = 4,696.80 × 2,515.96
  4. Step 4: Simplify right side
    3,135.61x = 11,816,960.93
  5. Step 5: Solve for x
    x = 11,816,960.93/3,135.61
  6. Step 6: Final answer
    x = 3,768.63

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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.