Home / 2,781.97-4,173.50-1,051.81

Finding the Fourth Proportional to 2,781.97, 4,173.50 and 1,051.81

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Solution

The fourth proportional to 2,781.97, 4,173.50 and 1,051.81 is: 1,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.97 : 4,173.50 = 1,051.81 : x
  2. Step 2: Convert to fraction form
    2,781.97/4,173.50 = 1,051.81/x
  3. Step 3: Cross multiply
    2,781.97x = 4,173.50 × 1,051.81
  4. Step 4: Simplify right side
    2,781.97x = 4,389,729.04
  5. Step 5: Solve for x
    x = 4,389,729.04/2,781.97
  6. Step 6: Final answer
    x = 1,577.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.