Home / 3,818.09-5,717.41-2,515.61

Finding the Fourth Proportional to 3,818.09, 5,717.41 and 2,515.61

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Solution

The fourth proportional to 3,818.09, 5,717.41 and 2,515.61 is: 3,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.09 : 5,717.41 = 2,515.61 : x
  2. Step 2: Convert to fraction form
    3,818.09/5,717.41 = 2,515.61/x
  3. Step 3: Cross multiply
    3,818.09x = 5,717.41 × 2,515.61
  4. Step 4: Simplify right side
    3,818.09x = 14,382,773.77
  5. Step 5: Solve for x
    x = 14,382,773.77/3,818.09
  6. Step 6: Final answer
    x = 3,767.01

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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.