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Finding the Fourth Proportional to 1,808.97, 2,709.35 and 1,150.84

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Solution

The fourth proportional to 1,808.97, 2,709.35 and 1,150.84 is: 1,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.97 : 2,709.35 = 1,150.84 : x
  2. Step 2: Convert to fraction form
    1,808.97/2,709.35 = 1,150.84/x
  3. Step 3: Cross multiply
    1,808.97x = 2,709.35 × 1,150.84
  4. Step 4: Simplify right side
    1,808.97x = 3,118,030.30
  5. Step 5: Solve for x
    x = 3,118,030.30/1,808.97
  6. Step 6: Final answer
    x = 1,723.65

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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.