Home / 3,291.86-4,542.84-1,799.88

Finding the Fourth Proportional to 3,291.86, 4,542.84 and 1,799.88

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Solution

The fourth proportional to 3,291.86, 4,542.84 and 1,799.88 is: 2,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.86 : 4,542.84 = 1,799.88 : x
  2. Step 2: Convert to fraction form
    3,291.86/4,542.84 = 1,799.88/x
  3. Step 3: Cross multiply
    3,291.86x = 4,542.84 × 1,799.88
  4. Step 4: Simplify right side
    3,291.86x = 8,176,566.86
  5. Step 5: Solve for x
    x = 8,176,566.86/3,291.86
  6. Step 6: Final answer
    x = 2,483.88

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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.