Home / 2,447.16-3,376.10-1,399

Finding the Fourth Proportional to 2,447.16, 3,376.10 and 1,399

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Solution

The fourth proportional to 2,447.16, 3,376.10 and 1,399 is: 1,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.16 : 3,376.10 = 1,399 : x
  2. Step 2: Convert to fraction form
    2,447.16/3,376.10 = 1,399/x
  3. Step 3: Cross multiply
    2,447.16x = 3,376.10 × 1,399
  4. Step 4: Simplify right side
    2,447.16x = 4,723,163.90
  5. Step 5: Solve for x
    x = 4,723,163.90/2,447.16
  6. Step 6: Final answer
    x = 1,930.06

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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.