Home / 3,818.22-5,717.60-2,515.74

Finding the Fourth Proportional to 3,818.22, 5,717.60 and 2,515.74

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Solution

The fourth proportional to 3,818.22, 5,717.60 and 2,515.74 is: 3,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.22 : 5,717.60 = 2,515.74 : x
  2. Step 2: Convert to fraction form
    3,818.22/5,717.60 = 2,515.74/x
  3. Step 3: Cross multiply
    3,818.22x = 5,717.60 × 2,515.74
  4. Step 4: Simplify right side
    3,818.22x = 14,383,966.44
  5. Step 5: Solve for x
    x = 14,383,966.44/3,818.22
  6. Step 6: Final answer
    x = 3,767.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.