Home / 3,910.02-5,396.73-2,398.02

Finding the Fourth Proportional to 3,910.02, 5,396.73 and 2,398.02

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Solution

The fourth proportional to 3,910.02, 5,396.73 and 2,398.02 is: 3,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.02 : 5,396.73 = 2,398.02 : x
  2. Step 2: Convert to fraction form
    3,910.02/5,396.73 = 2,398.02/x
  3. Step 3: Cross multiply
    3,910.02x = 5,396.73 × 2,398.02
  4. Step 4: Simplify right side
    3,910.02x = 12,941,466.47
  5. Step 5: Solve for x
    x = 12,941,466.47/3,910.02
  6. Step 6: Final answer
    x = 3,309.82

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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.