Home / 3,186.48-4,785.18-2,869.38

Finding the Fourth Proportional to 3,186.48, 4,785.18 and 2,869.38

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Solution

The fourth proportional to 3,186.48, 4,785.18 and 2,869.38 is: 4,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.48 : 4,785.18 = 2,869.38 : x
  2. Step 2: Convert to fraction form
    3,186.48/4,785.18 = 2,869.38/x
  3. Step 3: Cross multiply
    3,186.48x = 4,785.18 × 2,869.38
  4. Step 4: Simplify right side
    3,186.48x = 13,730,499.79
  5. Step 5: Solve for x
    x = 13,730,499.79/3,186.48
  6. Step 6: Final answer
    x = 4,308.99

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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.