Home / 3,910.02-5,396.25-2,418.12

Finding the Fourth Proportional to 3,910.02, 5,396.25 and 2,418.12

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Solution

The fourth proportional to 3,910.02, 5,396.25 and 2,418.12 is: 3,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.02 : 5,396.25 = 2,418.12 : x
  2. Step 2: Convert to fraction form
    3,910.02/5,396.25 = 2,418.12/x
  3. Step 3: Cross multiply
    3,910.02x = 5,396.25 × 2,418.12
  4. Step 4: Simplify right side
    3,910.02x = 13,048,780.05
  5. Step 5: Solve for x
    x = 13,048,780.05/3,910.02
  6. Step 6: Final answer
    x = 3,337.27

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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.