Home / 1,801.14-2,687.96-1,577.79

Finding the Fourth Proportional to 1,801.14, 2,687.96 and 1,577.79

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Solution

The fourth proportional to 1,801.14, 2,687.96 and 1,577.79 is: 2,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.14 : 2,687.96 = 1,577.79 : x
  2. Step 2: Convert to fraction form
    1,801.14/2,687.96 = 1,577.79/x
  3. Step 3: Cross multiply
    1,801.14x = 2,687.96 × 1,577.79
  4. Step 4: Simplify right side
    1,801.14x = 4,241,028.52
  5. Step 5: Solve for x
    x = 4,241,028.52/1,801.14
  6. Step 6: Final answer
    x = 2,354.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.