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Finding the Fourth Proportional to 3,291.52, 4,542.29 and 1,799.44

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Solution

The fourth proportional to 3,291.52, 4,542.29 and 1,799.44 is: 2,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.52 : 4,542.29 = 1,799.44 : x
  2. Step 2: Convert to fraction form
    3,291.52/4,542.29 = 1,799.44/x
  3. Step 3: Cross multiply
    3,291.52x = 4,542.29 × 1,799.44
  4. Step 4: Simplify right side
    3,291.52x = 8,173,578.32
  5. Step 5: Solve for x
    x = 8,173,578.32/3,291.52
  6. Step 6: Final answer
    x = 2,483.22

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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.