Home / 3,456.88-5,186.23-2,511.71

Finding the Fourth Proportional to 3,456.88, 5,186.23 and 2,511.71

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Solution

The fourth proportional to 3,456.88, 5,186.23 and 2,511.71 is: 3,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.88 : 5,186.23 = 2,511.71 : x
  2. Step 2: Convert to fraction form
    3,456.88/5,186.23 = 2,511.71/x
  3. Step 3: Cross multiply
    3,456.88x = 5,186.23 × 2,511.71
  4. Step 4: Simplify right side
    3,456.88x = 13,026,292.99
  5. Step 5: Solve for x
    x = 13,026,292.99/3,456.88
  6. Step 6: Final answer
    x = 3,768.23

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1.5x scale

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.