Home / 3,291.91-4,542.75-1,799.82

Finding the Fourth Proportional to 3,291.91, 4,542.75 and 1,799.82

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Solution

The fourth proportional to 3,291.91, 4,542.75 and 1,799.82 is: 2,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.91 : 4,542.75 = 1,799.82 : x
  2. Step 2: Convert to fraction form
    3,291.91/4,542.75 = 1,799.82/x
  3. Step 3: Cross multiply
    3,291.91x = 4,542.75 × 1,799.82
  4. Step 4: Simplify right side
    3,291.91x = 8,176,132.31
  5. Step 5: Solve for x
    x = 8,176,132.31/3,291.91
  6. Step 6: Final answer
    x = 2,483.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.