Home / 3,465.11-4,781.37-1,972.96

Finding the Fourth Proportional to 3,465.11, 4,781.37 and 1,972.96

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Solution

The fourth proportional to 3,465.11, 4,781.37 and 1,972.96 is: 2,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.11 : 4,781.37 = 1,972.96 : x
  2. Step 2: Convert to fraction form
    3,465.11/4,781.37 = 1,972.96/x
  3. Step 3: Cross multiply
    3,465.11x = 4,781.37 × 1,972.96
  4. Step 4: Simplify right side
    3,465.11x = 9,433,447.20
  5. Step 5: Solve for x
    x = 9,433,447.20/3,465.11
  6. Step 6: Final answer
    x = 2,722.41

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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.