Home / 2,766.10-3,816.91-1,646.88

Finding the Fourth Proportional to 2,766.10, 3,816.91 and 1,646.88

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Solution

The fourth proportional to 2,766.10, 3,816.91 and 1,646.88 is: 2,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.10 : 3,816.91 = 1,646.88 : x
  2. Step 2: Convert to fraction form
    2,766.10/3,816.91 = 1,646.88/x
  3. Step 3: Cross multiply
    2,766.10x = 3,816.91 × 1,646.88
  4. Step 4: Simplify right side
    2,766.10x = 6,285,992.74
  5. Step 5: Solve for x
    x = 6,285,992.74/2,766.10
  6. Step 6: Final answer
    x = 2,272.51

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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.