Home / 3,935.49-5,905.28-1,743.70

Finding the Fourth Proportional to 3,935.49, 5,905.28 and 1,743.70

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Solution

The fourth proportional to 3,935.49, 5,905.28 and 1,743.70 is: 2,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.49 : 5,905.28 = 1,743.70 : x
  2. Step 2: Convert to fraction form
    3,935.49/5,905.28 = 1,743.70/x
  3. Step 3: Cross multiply
    3,935.49x = 5,905.28 × 1,743.70
  4. Step 4: Simplify right side
    3,935.49x = 10,297,059.55
  5. Step 5: Solve for x
    x = 10,297,059.55/3,935.49
  6. Step 6: Final answer
    x = 2,616.46

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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.