Home / 3,701.12-5,107.54-2,107.70

Finding the Fourth Proportional to 3,701.12, 5,107.54 and 2,107.70

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Solution

The fourth proportional to 3,701.12, 5,107.54 and 2,107.70 is: 2,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.12 : 5,107.54 = 2,107.70 : x
  2. Step 2: Convert to fraction form
    3,701.12/5,107.54 = 2,107.70/x
  3. Step 3: Cross multiply
    3,701.12x = 5,107.54 × 2,107.70
  4. Step 4: Simplify right side
    3,701.12x = 10,765,162.06
  5. Step 5: Solve for x
    x = 10,765,162.06/3,701.12
  6. Step 6: Final answer
    x = 2,908.62

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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.