Home / 3,216.14-4,438.29-1,889.87

Finding the Fourth Proportional to 3,216.14, 4,438.29 and 1,889.87

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Solution

The fourth proportional to 3,216.14, 4,438.29 and 1,889.87 is: 2,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.14 : 4,438.29 = 1,889.87 : x
  2. Step 2: Convert to fraction form
    3,216.14/4,438.29 = 1,889.87/x
  3. Step 3: Cross multiply
    3,216.14x = 4,438.29 × 1,889.87
  4. Step 4: Simplify right side
    3,216.14x = 8,387,776.02
  5. Step 5: Solve for x
    x = 8,387,776.02/3,216.14
  6. Step 6: Final answer
    x = 2,608.03

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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.