Home / 3,246.64-4,481.85-1,902.07

Finding the Fourth Proportional to 3,246.64, 4,481.85 and 1,902.07

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Solution

The fourth proportional to 3,246.64, 4,481.85 and 1,902.07 is: 2,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.64 : 4,481.85 = 1,902.07 : x
  2. Step 2: Convert to fraction form
    3,246.64/4,481.85 = 1,902.07/x
  3. Step 3: Cross multiply
    3,246.64x = 4,481.85 × 1,902.07
  4. Step 4: Simplify right side
    3,246.64x = 8,524,779.95
  5. Step 5: Solve for x
    x = 8,524,779.95/3,246.64
  6. Step 6: Final answer
    x = 2,625.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.