Home / 3,321.29-4,966.74-2,489.01

Finding the Fourth Proportional to 3,321.29, 4,966.74 and 2,489.01

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Solution

The fourth proportional to 3,321.29, 4,966.74 and 2,489.01 is: 3,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.29 : 4,966.74 = 2,489.01 : x
  2. Step 2: Convert to fraction form
    3,321.29/4,966.74 = 2,489.01/x
  3. Step 3: Cross multiply
    3,321.29x = 4,966.74 × 2,489.01
  4. Step 4: Simplify right side
    3,321.29x = 12,362,265.53
  5. Step 5: Solve for x
    x = 12,362,265.53/3,321.29
  6. Step 6: Final answer
    x = 3,722.13

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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.