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Finding the Fourth Proportional to 3,098.08, 4,648.20 and 1,799.20

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Solution

The fourth proportional to 3,098.08, 4,648.20 and 1,799.20 is: 2,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.08 : 4,648.20 = 1,799.20 : x
  2. Step 2: Convert to fraction form
    3,098.08/4,648.20 = 1,799.20/x
  3. Step 3: Cross multiply
    3,098.08x = 4,648.20 × 1,799.20
  4. Step 4: Simplify right side
    3,098.08x = 8,363,041.44
  5. Step 5: Solve for x
    x = 8,363,041.44/3,098.08
  6. Step 6: Final answer
    x = 2,699.43

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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.