Home / 1,830.15-2,744.19-1,245.94

Finding the Fourth Proportional to 1,830.15, 2,744.19 and 1,245.94

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Solution

The fourth proportional to 1,830.15, 2,744.19 and 1,245.94 is: 1,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.15 : 2,744.19 = 1,245.94 : x
  2. Step 2: Convert to fraction form
    1,830.15/2,744.19 = 1,245.94/x
  3. Step 3: Cross multiply
    1,830.15x = 2,744.19 × 1,245.94
  4. Step 4: Simplify right side
    1,830.15x = 3,419,089.23
  5. Step 5: Solve for x
    x = 3,419,089.23/1,830.15
  6. Step 6: Final answer
    x = 1,868.20

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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.