Home / 1,834.20-2,529.96-1,171.90

Finding the Fourth Proportional to 1,834.20, 2,529.96 and 1,171.90

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Solution

The fourth proportional to 1,834.20, 2,529.96 and 1,171.90 is: 1,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.20 : 2,529.96 = 1,171.90 : x
  2. Step 2: Convert to fraction form
    1,834.20/2,529.96 = 1,171.90/x
  3. Step 3: Cross multiply
    1,834.20x = 2,529.96 × 1,171.90
  4. Step 4: Simplify right side
    1,834.20x = 2,964,860.12
  5. Step 5: Solve for x
    x = 2,964,860.12/1,834.20
  6. Step 6: Final answer
    x = 1,616.43

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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.