Home / 3,268.17-4,902.26-1,320.39

Finding the Fourth Proportional to 3,268.17, 4,902.26 and 1,320.39

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Solution

The fourth proportional to 3,268.17, 4,902.26 and 1,320.39 is: 1,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.17 : 4,902.26 = 1,320.39 : x
  2. Step 2: Convert to fraction form
    3,268.17/4,902.26 = 1,320.39/x
  3. Step 3: Cross multiply
    3,268.17x = 4,902.26 × 1,320.39
  4. Step 4: Simplify right side
    3,268.17x = 6,472,888.48
  5. Step 5: Solve for x
    x = 6,472,888.48/3,268.17
  6. Step 6: Final answer
    x = 1,980.59

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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.