Home / 3,468.88-5,195.24-2,686.36

Finding the Fourth Proportional to 3,468.88, 5,195.24 and 2,686.36

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Solution

The fourth proportional to 3,468.88, 5,195.24 and 2,686.36 is: 4,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.88 : 5,195.24 = 2,686.36 : x
  2. Step 2: Convert to fraction form
    3,468.88/5,195.24 = 2,686.36/x
  3. Step 3: Cross multiply
    3,468.88x = 5,195.24 × 2,686.36
  4. Step 4: Simplify right side
    3,468.88x = 13,956,284.93
  5. Step 5: Solve for x
    x = 13,956,284.93/3,468.88
  6. Step 6: Final answer
    x = 4,023.28

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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.