Home / 3,464.95-4,781.64-1,972.86

Finding the Fourth Proportional to 3,464.95, 4,781.64 and 1,972.86

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Solution

The fourth proportional to 3,464.95, 4,781.64 and 1,972.86 is: 2,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.95 : 4,781.64 = 1,972.86 : x
  2. Step 2: Convert to fraction form
    3,464.95/4,781.64 = 1,972.86/x
  3. Step 3: Cross multiply
    3,464.95x = 4,781.64 × 1,972.86
  4. Step 4: Simplify right side
    3,464.95x = 9,433,496.43
  5. Step 5: Solve for x
    x = 9,433,496.43/3,464.95
  6. Step 6: Final answer
    x = 2,722.55

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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.