Home / 3,753.24-5,173.26-2,820.12

Finding the Fourth Proportional to 3,753.24, 5,173.26 and 2,820.12

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Solution

The fourth proportional to 3,753.24, 5,173.26 and 2,820.12 is: 3,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.24 : 5,173.26 = 2,820.12 : x
  2. Step 2: Convert to fraction form
    3,753.24/5,173.26 = 2,820.12/x
  3. Step 3: Cross multiply
    3,753.24x = 5,173.26 × 2,820.12
  4. Step 4: Simplify right side
    3,753.24x = 14,589,213.99
  5. Step 5: Solve for x
    x = 14,589,213.99/3,753.24
  6. Step 6: Final answer
    x = 3,887.10

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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.