Home / 3,208.78-4,808.37-1,452.81

Finding the Fourth Proportional to 3,208.78, 4,808.37 and 1,452.81

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Solution

The fourth proportional to 3,208.78, 4,808.37 and 1,452.81 is: 2,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.78 : 4,808.37 = 1,452.81 : x
  2. Step 2: Convert to fraction form
    3,208.78/4,808.37 = 1,452.81/x
  3. Step 3: Cross multiply
    3,208.78x = 4,808.37 × 1,452.81
  4. Step 4: Simplify right side
    3,208.78x = 6,985,648.02
  5. Step 5: Solve for x
    x = 6,985,648.02/3,208.78
  6. Step 6: Final answer
    x = 2,177.04

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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.