Home / 3,236.79-4,464.45-1,909.56

Finding the Fourth Proportional to 3,236.79, 4,464.45 and 1,909.56

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Solution

The fourth proportional to 3,236.79, 4,464.45 and 1,909.56 is: 2,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.79 : 4,464.45 = 1,909.56 : x
  2. Step 2: Convert to fraction form
    3,236.79/4,464.45 = 1,909.56/x
  3. Step 3: Cross multiply
    3,236.79x = 4,464.45 × 1,909.56
  4. Step 4: Simplify right side
    3,236.79x = 8,525,135.14
  5. Step 5: Solve for x
    x = 8,525,135.14/3,236.79
  6. Step 6: Final answer
    x = 2,633.82

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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.