Home / 1,827.87-2,741.65-1,212.01

Finding the Fourth Proportional to 1,827.87, 2,741.65 and 1,212.01

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Solution

The fourth proportional to 1,827.87, 2,741.65 and 1,212.01 is: 1,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.87 : 2,741.65 = 1,212.01 : x
  2. Step 2: Convert to fraction form
    1,827.87/2,741.65 = 1,212.01/x
  3. Step 3: Cross multiply
    1,827.87x = 2,741.65 × 1,212.01
  4. Step 4: Simplify right side
    1,827.87x = 3,322,912.75
  5. Step 5: Solve for x
    x = 3,322,912.75/1,827.87
  6. Step 6: Final answer
    x = 1,817.92

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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.