Home / 2,823.17-3,891.66-2,224.55

Finding the Fourth Proportional to 2,823.17, 3,891.66 and 2,224.55

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Solution

The fourth proportional to 2,823.17, 3,891.66 and 2,224.55 is: 3,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.17 : 3,891.66 = 2,224.55 : x
  2. Step 2: Convert to fraction form
    2,823.17/3,891.66 = 2,224.55/x
  3. Step 3: Cross multiply
    2,823.17x = 3,891.66 × 2,224.55
  4. Step 4: Simplify right side
    2,823.17x = 8,657,192.25
  5. Step 5: Solve for x
    x = 8,657,192.25/2,823.17
  6. Step 6: Final answer
    x = 3,066.48

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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.