Home / 3,216.05-4,439.60-1,889.84

Finding the Fourth Proportional to 3,216.05, 4,439.60 and 1,889.84

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Solution

The fourth proportional to 3,216.05, 4,439.60 and 1,889.84 is: 2,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.05 : 4,439.60 = 1,889.84 : x
  2. Step 2: Convert to fraction form
    3,216.05/4,439.60 = 1,889.84/x
  3. Step 3: Cross multiply
    3,216.05x = 4,439.60 × 1,889.84
  4. Step 4: Simplify right side
    3,216.05x = 8,390,102.02
  5. Step 5: Solve for x
    x = 8,390,102.02/3,216.05
  6. Step 6: Final answer
    x = 2,608.83

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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.