Home / 3,518.48-4,849.41-3,067.55

Finding the Fourth Proportional to 3,518.48, 4,849.41 and 3,067.55

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Solution

The fourth proportional to 3,518.48, 4,849.41 and 3,067.55 is: 4,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.48 : 4,849.41 = 3,067.55 : x
  2. Step 2: Convert to fraction form
    3,518.48/4,849.41 = 3,067.55/x
  3. Step 3: Cross multiply
    3,518.48x = 4,849.41 × 3,067.55
  4. Step 4: Simplify right side
    3,518.48x = 14,875,783.40
  5. Step 5: Solve for x
    x = 14,875,783.40/3,518.48
  6. Step 6: Final answer
    x = 4,227.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.