Home / 3,208.68-4,813.38-1,129.01

Finding the Fourth Proportional to 3,208.68, 4,813.38 and 1,129.01

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Solution

The fourth proportional to 3,208.68, 4,813.38 and 1,129.01 is: 1,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.68 : 4,813.38 = 1,129.01 : x
  2. Step 2: Convert to fraction form
    3,208.68/4,813.38 = 1,129.01/x
  3. Step 3: Cross multiply
    3,208.68x = 4,813.38 × 1,129.01
  4. Step 4: Simplify right side
    3,208.68x = 5,434,330.09
  5. Step 5: Solve for x
    x = 5,434,330.09/3,208.68
  6. Step 6: Final answer
    x = 1,693.63

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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.