Home / 2,772.41-3,829.66-2,216.77

Finding the Fourth Proportional to 2,772.41, 3,829.66 and 2,216.77

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Solution

The fourth proportional to 2,772.41, 3,829.66 and 2,216.77 is: 3,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.41 : 3,829.66 = 2,216.77 : x
  2. Step 2: Convert to fraction form
    2,772.41/3,829.66 = 2,216.77/x
  3. Step 3: Cross multiply
    2,772.41x = 3,829.66 × 2,216.77
  4. Step 4: Simplify right side
    2,772.41x = 8,489,460.28
  5. Step 5: Solve for x
    x = 8,489,460.28/2,772.41
  6. Step 6: Final answer
    x = 3,062.13

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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.