Home / 1,843.38-2,777.77-1,670.04

Finding the Fourth Proportional to 1,843.38, 2,777.77 and 1,670.04

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Solution

The fourth proportional to 1,843.38, 2,777.77 and 1,670.04 is: 2,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.38 : 2,777.77 = 1,670.04 : x
  2. Step 2: Convert to fraction form
    1,843.38/2,777.77 = 1,670.04/x
  3. Step 3: Cross multiply
    1,843.38x = 2,777.77 × 1,670.04
  4. Step 4: Simplify right side
    1,843.38x = 4,638,987.01
  5. Step 5: Solve for x
    x = 4,638,987.01/1,843.38
  6. Step 6: Final answer
    x = 2,516.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.