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Finding the Fourth Proportional to 3,719.93, 5,579.89 and 2,898.81

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Solution

The fourth proportional to 3,719.93, 5,579.89 and 2,898.81 is: 4,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.93 : 5,579.89 = 2,898.81 : x
  2. Step 2: Convert to fraction form
    3,719.93/5,579.89 = 2,898.81/x
  3. Step 3: Cross multiply
    3,719.93x = 5,579.89 × 2,898.81
  4. Step 4: Simplify right side
    3,719.93x = 16,175,049.38
  5. Step 5: Solve for x
    x = 16,175,049.38/3,719.93
  6. Step 6: Final answer
    x = 4,348.22

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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.