Home / 3,518.88-4,855.99-1,946.97

Finding the Fourth Proportional to 3,518.88, 4,855.99 and 1,946.97

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Solution

The fourth proportional to 3,518.88, 4,855.99 and 1,946.97 is: 2,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.88 : 4,855.99 = 1,946.97 : x
  2. Step 2: Convert to fraction form
    3,518.88/4,855.99 = 1,946.97/x
  3. Step 3: Cross multiply
    3,518.88x = 4,855.99 × 1,946.97
  4. Step 4: Simplify right side
    3,518.88x = 9,454,466.85
  5. Step 5: Solve for x
    x = 9,454,466.85/3,518.88
  6. Step 6: Final answer
    x = 2,686.78

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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.