Home / 3,418.14-5,115.06-2,682.66

Finding the Fourth Proportional to 3,418.14, 5,115.06 and 2,682.66

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Solution

The fourth proportional to 3,418.14, 5,115.06 and 2,682.66 is: 4,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.14 : 5,115.06 = 2,682.66 : x
  2. Step 2: Convert to fraction form
    3,418.14/5,115.06 = 2,682.66/x
  3. Step 3: Cross multiply
    3,418.14x = 5,115.06 × 2,682.66
  4. Step 4: Simplify right side
    3,418.14x = 13,721,966.86
  5. Step 5: Solve for x
    x = 13,721,966.86/3,418.14
  6. Step 6: Final answer
    x = 4,014.45

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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.