Home / 3,697.24-5,102.31-2,125.30

Finding the Fourth Proportional to 3,697.24, 5,102.31 and 2,125.30

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Solution

The fourth proportional to 3,697.24, 5,102.31 and 2,125.30 is: 2,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.24 : 5,102.31 = 2,125.30 : x
  2. Step 2: Convert to fraction form
    3,697.24/5,102.31 = 2,125.30/x
  3. Step 3: Cross multiply
    3,697.24x = 5,102.31 × 2,125.30
  4. Step 4: Simplify right side
    3,697.24x = 10,843,939.44
  5. Step 5: Solve for x
    x = 10,843,939.44/3,697.24
  6. Step 6: Final answer
    x = 2,932.98

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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.