Home / 3,799.58-5,691.47-1,945.08

Finding the Fourth Proportional to 3,799.58, 5,691.47 and 1,945.08

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Solution

The fourth proportional to 3,799.58, 5,691.47 and 1,945.08 is: 2,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.58 : 5,691.47 = 1,945.08 : x
  2. Step 2: Convert to fraction form
    3,799.58/5,691.47 = 1,945.08/x
  3. Step 3: Cross multiply
    3,799.58x = 5,691.47 × 1,945.08
  4. Step 4: Simplify right side
    3,799.58x = 11,070,354.74
  5. Step 5: Solve for x
    x = 11,070,354.74/3,799.58
  6. Step 6: Final answer
    x = 2,913.58

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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.