Home / 1,860.17-2,791.97-1,081.05

Finding the Fourth Proportional to 1,860.17, 2,791.97 and 1,081.05

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Solution

The fourth proportional to 1,860.17, 2,791.97 and 1,081.05 is: 1,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.17 : 2,791.97 = 1,081.05 : x
  2. Step 2: Convert to fraction form
    1,860.17/2,791.97 = 1,081.05/x
  3. Step 3: Cross multiply
    1,860.17x = 2,791.97 × 1,081.05
  4. Step 4: Simplify right side
    1,860.17x = 3,018,247.35
  5. Step 5: Solve for x
    x = 3,018,247.35/1,860.17
  6. Step 6: Final answer
    x = 1,622.57

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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.