Home / 3,697.31-5,101.63-2,103.70

Finding the Fourth Proportional to 3,697.31, 5,101.63 and 2,103.70

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Solution

The fourth proportional to 3,697.31, 5,101.63 and 2,103.70 is: 2,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.31 : 5,101.63 = 2,103.70 : x
  2. Step 2: Convert to fraction form
    3,697.31/5,101.63 = 2,103.70/x
  3. Step 3: Cross multiply
    3,697.31x = 5,101.63 × 2,103.70
  4. Step 4: Simplify right side
    3,697.31x = 10,732,296.20
  5. Step 5: Solve for x
    x = 10,732,296.20/3,697.31
  6. Step 6: Final answer
    x = 2,902.73

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1.5x scale

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.