Home / 2,982.06-4,468.68-1,664.01

Finding the Fourth Proportional to 2,982.06, 4,468.68 and 1,664.01

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Solution

The fourth proportional to 2,982.06, 4,468.68 and 1,664.01 is: 2,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.06 : 4,468.68 = 1,664.01 : x
  2. Step 2: Convert to fraction form
    2,982.06/4,468.68 = 1,664.01/x
  3. Step 3: Cross multiply
    2,982.06x = 4,468.68 × 1,664.01
  4. Step 4: Simplify right side
    2,982.06x = 7,435,928.21
  5. Step 5: Solve for x
    x = 7,435,928.21/2,982.06
  6. Step 6: Final answer
    x = 2,493.55

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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.