Home / 3,291.83-4,542.68-1,799.74

Finding the Fourth Proportional to 3,291.83, 4,542.68 and 1,799.74

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Solution

The fourth proportional to 3,291.83, 4,542.68 and 1,799.74 is: 2,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.83 : 4,542.68 = 1,799.74 : x
  2. Step 2: Convert to fraction form
    3,291.83/4,542.68 = 1,799.74/x
  3. Step 3: Cross multiply
    3,291.83x = 4,542.68 × 1,799.74
  4. Step 4: Simplify right side
    3,291.83x = 8,175,642.90
  5. Step 5: Solve for x
    x = 8,175,642.90/3,291.83
  6. Step 6: Final answer
    x = 2,483.62

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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.