Home / 3,288.20-4,929.06-1,643.90

Finding the Fourth Proportional to 3,288.20, 4,929.06 and 1,643.90

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Solution

The fourth proportional to 3,288.20, 4,929.06 and 1,643.90 is: 2,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.20 : 4,929.06 = 1,643.90 : x
  2. Step 2: Convert to fraction form
    3,288.20/4,929.06 = 1,643.90/x
  3. Step 3: Cross multiply
    3,288.20x = 4,929.06 × 1,643.90
  4. Step 4: Simplify right side
    3,288.20x = 8,102,881.73
  5. Step 5: Solve for x
    x = 8,102,881.73/3,288.20
  6. Step 6: Final answer
    x = 2,464.23

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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.