Home / 3,216.37-4,436.74-1,889.83

Finding the Fourth Proportional to 3,216.37, 4,436.74 and 1,889.83

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Solution

The fourth proportional to 3,216.37, 4,436.74 and 1,889.83 is: 2,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.37 : 4,436.74 = 1,889.83 : x
  2. Step 2: Convert to fraction form
    3,216.37/4,436.74 = 1,889.83/x
  3. Step 3: Cross multiply
    3,216.37x = 4,436.74 × 1,889.83
  4. Step 4: Simplify right side
    3,216.37x = 8,384,684.35
  5. Step 5: Solve for x
    x = 8,384,684.35/3,216.37
  6. Step 6: Final answer
    x = 2,606.88

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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.