Home / 3,236.72-4,465.96-1,909.52

Finding the Fourth Proportional to 3,236.72, 4,465.96 and 1,909.52

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Solution

The fourth proportional to 3,236.72, 4,465.96 and 1,909.52 is: 2,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.72 : 4,465.96 = 1,909.52 : x
  2. Step 2: Convert to fraction form
    3,236.72/4,465.96 = 1,909.52/x
  3. Step 3: Cross multiply
    3,236.72x = 4,465.96 × 1,909.52
  4. Step 4: Simplify right side
    3,236.72x = 8,527,839.94
  5. Step 5: Solve for x
    x = 8,527,839.94/3,236.72
  6. Step 6: Final answer
    x = 2,634.72

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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.