Home / 2,151.47-3,228.15-2,067.64

Finding the Fourth Proportional to 2,151.47, 3,228.15 and 2,067.64

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Solution

The fourth proportional to 2,151.47, 3,228.15 and 2,067.64 is: 3,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.47 : 3,228.15 = 2,067.64 : x
  2. Step 2: Convert to fraction form
    2,151.47/3,228.15 = 2,067.64/x
  3. Step 3: Cross multiply
    2,151.47x = 3,228.15 × 2,067.64
  4. Step 4: Simplify right side
    2,151.47x = 6,674,635.93
  5. Step 5: Solve for x
    x = 6,674,635.93/2,151.47
  6. Step 6: Final answer
    x = 3,102.36

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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.