Home / 3,743.16-5,165.50-2,171.40

Finding the Fourth Proportional to 3,743.16, 5,165.50 and 2,171.40

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Solution

The fourth proportional to 3,743.16, 5,165.50 and 2,171.40 is: 2,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.16 : 5,165.50 = 2,171.40 : x
  2. Step 2: Convert to fraction form
    3,743.16/5,165.50 = 2,171.40/x
  3. Step 3: Cross multiply
    3,743.16x = 5,165.50 × 2,171.40
  4. Step 4: Simplify right side
    3,743.16x = 11,216,366.70
  5. Step 5: Solve for x
    x = 11,216,366.70/3,743.16
  6. Step 6: Final answer
    x = 2,996.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.