Home / 2,613.33-3,914.87-1,515.39

Finding the Fourth Proportional to 2,613.33, 3,914.87 and 1,515.39

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Solution

The fourth proportional to 2,613.33, 3,914.87 and 1,515.39 is: 2,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.33 : 3,914.87 = 1,515.39 : x
  2. Step 2: Convert to fraction form
    2,613.33/3,914.87 = 1,515.39/x
  3. Step 3: Cross multiply
    2,613.33x = 3,914.87 × 1,515.39
  4. Step 4: Simplify right side
    2,613.33x = 5,932,544.49
  5. Step 5: Solve for x
    x = 5,932,544.49/2,613.33
  6. Step 6: Final answer
    x = 2,270.11

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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.