Home / 1,849.26-2,770.23-1,387.56

Finding the Fourth Proportional to 1,849.26, 2,770.23 and 1,387.56

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Solution

The fourth proportional to 1,849.26, 2,770.23 and 1,387.56 is: 2,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.26 : 2,770.23 = 1,387.56 : x
  2. Step 2: Convert to fraction form
    1,849.26/2,770.23 = 1,387.56/x
  3. Step 3: Cross multiply
    1,849.26x = 2,770.23 × 1,387.56
  4. Step 4: Simplify right side
    1,849.26x = 3,843,860.34
  5. Step 5: Solve for x
    x = 3,843,860.34/1,849.26
  6. Step 6: Final answer
    x = 2,078.59

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1.5x scale

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.