Home / 3,618.78-4,997.04-2,294.85

Finding the Fourth Proportional to 3,618.78, 4,997.04 and 2,294.85

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Solution

The fourth proportional to 3,618.78, 4,997.04 and 2,294.85 is: 3,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.78 : 4,997.04 = 2,294.85 : x
  2. Step 2: Convert to fraction form
    3,618.78/4,997.04 = 2,294.85/x
  3. Step 3: Cross multiply
    3,618.78x = 4,997.04 × 2,294.85
  4. Step 4: Simplify right side
    3,618.78x = 11,467,457.24
  5. Step 5: Solve for x
    x = 11,467,457.24/3,618.78
  6. Step 6: Final answer
    x = 3,168.87

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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.