Home / 1,849.09-2,778.18-1,776.19

Finding the Fourth Proportional to 1,849.09, 2,778.18 and 1,776.19

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Solution

The fourth proportional to 1,849.09, 2,778.18 and 1,776.19 is: 2,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.09 : 2,778.18 = 1,776.19 : x
  2. Step 2: Convert to fraction form
    1,849.09/2,778.18 = 1,776.19/x
  3. Step 3: Cross multiply
    1,849.09x = 2,778.18 × 1,776.19
  4. Step 4: Simplify right side
    1,849.09x = 4,934,575.53
  5. Step 5: Solve for x
    x = 4,934,575.53/1,849.09
  6. Step 6: Final answer
    x = 2,668.65

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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.