Home / 3,268.89-4,904.03-1,321.10

Finding the Fourth Proportional to 3,268.89, 4,904.03 and 1,321.10

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Solution

The fourth proportional to 3,268.89, 4,904.03 and 1,321.10 is: 1,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.89 : 4,904.03 = 1,321.10 : x
  2. Step 2: Convert to fraction form
    3,268.89/4,904.03 = 1,321.10/x
  3. Step 3: Cross multiply
    3,268.89x = 4,904.03 × 1,321.10
  4. Step 4: Simplify right side
    3,268.89x = 6,478,714.03
  5. Step 5: Solve for x
    x = 6,478,714.03/3,268.89
  6. Step 6: Final answer
    x = 1,981.93

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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.