Home / 3,464.87-4,781.26-1,972.49

Finding the Fourth Proportional to 3,464.87, 4,781.26 and 1,972.49

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Solution

The fourth proportional to 3,464.87, 4,781.26 and 1,972.49 is: 2,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.87 : 4,781.26 = 1,972.49 : x
  2. Step 2: Convert to fraction form
    3,464.87/4,781.26 = 1,972.49/x
  3. Step 3: Cross multiply
    3,464.87x = 4,781.26 × 1,972.49
  4. Step 4: Simplify right side
    3,464.87x = 9,430,994.56
  5. Step 5: Solve for x
    x = 9,430,994.56/3,464.87
  6. Step 6: Final answer
    x = 2,721.89

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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.