Home / 3,236.65-4,855.61-1,289.05

Finding the Fourth Proportional to 3,236.65, 4,855.61 and 1,289.05

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Solution

The fourth proportional to 3,236.65, 4,855.61 and 1,289.05 is: 1,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.65 : 4,855.61 = 1,289.05 : x
  2. Step 2: Convert to fraction form
    3,236.65/4,855.61 = 1,289.05/x
  3. Step 3: Cross multiply
    3,236.65x = 4,855.61 × 1,289.05
  4. Step 4: Simplify right side
    3,236.65x = 6,259,124.07
  5. Step 5: Solve for x
    x = 6,259,124.07/3,236.65
  6. Step 6: Final answer
    x = 1,933.83

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1.5x scale

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.