Home / 3,251.01-4,876.49-1,690.21

Finding the Fourth Proportional to 3,251.01, 4,876.49 and 1,690.21

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Solution

The fourth proportional to 3,251.01, 4,876.49 and 1,690.21 is: 2,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.01 : 4,876.49 = 1,690.21 : x
  2. Step 2: Convert to fraction form
    3,251.01/4,876.49 = 1,690.21/x
  3. Step 3: Cross multiply
    3,251.01x = 4,876.49 × 1,690.21
  4. Step 4: Simplify right side
    3,251.01x = 8,242,284.20
  5. Step 5: Solve for x
    x = 8,242,284.20/3,251.01
  6. Step 6: Final answer
    x = 2,535.30

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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.