Home / 1,849.80-2,771.46-1,119.72

Finding the Fourth Proportional to 1,849.80, 2,771.46 and 1,119.72

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Solution

The fourth proportional to 1,849.80, 2,771.46 and 1,119.72 is: 1,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.80 : 2,771.46 = 1,119.72 : x
  2. Step 2: Convert to fraction form
    1,849.80/2,771.46 = 1,119.72/x
  3. Step 3: Cross multiply
    1,849.80x = 2,771.46 × 1,119.72
  4. Step 4: Simplify right side
    1,849.80x = 3,103,259.19
  5. Step 5: Solve for x
    x = 3,103,259.19/1,849.80
  6. Step 6: Final answer
    x = 1,677.62

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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.