Home / 2,818.26-3,880.17-2,256.66

Finding the Fourth Proportional to 2,818.26, 3,880.17 and 2,256.66

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Solution

The fourth proportional to 2,818.26, 3,880.17 and 2,256.66 is: 3,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.26 : 3,880.17 = 2,256.66 : x
  2. Step 2: Convert to fraction form
    2,818.26/3,880.17 = 2,256.66/x
  3. Step 3: Cross multiply
    2,818.26x = 3,880.17 × 2,256.66
  4. Step 4: Simplify right side
    2,818.26x = 8,756,224.43
  5. Step 5: Solve for x
    x = 8,756,224.43/2,818.26
  6. Step 6: Final answer
    x = 3,106.96

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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.