Home / 4,098.29-6,143.78-1,905.82

Finding the Fourth Proportional to 4,098.29, 6,143.78 and 1,905.82

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Solution

The fourth proportional to 4,098.29, 6,143.78 and 1,905.82 is: 2,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.29 : 6,143.78 = 1,905.82 : x
  2. Step 2: Convert to fraction form
    4,098.29/6,143.78 = 1,905.82/x
  3. Step 3: Cross multiply
    4,098.29x = 6,143.78 × 1,905.82
  4. Step 4: Simplify right side
    4,098.29x = 11,708,938.80
  5. Step 5: Solve for x
    x = 11,708,938.80/4,098.29
  6. Step 6: Final answer
    x = 2,857.03

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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.