Home / 2,697.12-3,723.68-1,814.24

Finding the Fourth Proportional to 2,697.12, 3,723.68 and 1,814.24

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Solution

The fourth proportional to 2,697.12, 3,723.68 and 1,814.24 is: 2,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.12 : 3,723.68 = 1,814.24 : x
  2. Step 2: Convert to fraction form
    2,697.12/3,723.68 = 1,814.24/x
  3. Step 3: Cross multiply
    2,697.12x = 3,723.68 × 1,814.24
  4. Step 4: Simplify right side
    2,697.12x = 6,755,649.20
  5. Step 5: Solve for x
    x = 6,755,649.20/2,697.12
  6. Step 6: Final answer
    x = 2,504.76

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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.