Home / 3,801.23-5,691.35-1,948.36

Finding the Fourth Proportional to 3,801.23, 5,691.35 and 1,948.36

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Solution

The fourth proportional to 3,801.23, 5,691.35 and 1,948.36 is: 2,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.23 : 5,691.35 = 1,948.36 : x
  2. Step 2: Convert to fraction form
    3,801.23/5,691.35 = 1,948.36/x
  3. Step 3: Cross multiply
    3,801.23x = 5,691.35 × 1,948.36
  4. Step 4: Simplify right side
    3,801.23x = 11,088,789.33
  5. Step 5: Solve for x
    x = 11,088,789.33/3,801.23
  6. Step 6: Final answer
    x = 2,917.16

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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.