Home / 3,216.23-4,439.74-2,331.87

Finding the Fourth Proportional to 3,216.23, 4,439.74 and 2,331.87

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Solution

The fourth proportional to 3,216.23, 4,439.74 and 2,331.87 is: 3,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.23 : 4,439.74 = 2,331.87 : x
  2. Step 2: Convert to fraction form
    3,216.23/4,439.74 = 2,331.87/x
  3. Step 3: Cross multiply
    3,216.23x = 4,439.74 × 2,331.87
  4. Step 4: Simplify right side
    3,216.23x = 10,352,896.51
  5. Step 5: Solve for x
    x = 10,352,896.51/3,216.23
  6. Step 6: Final answer
    x = 3,218.95

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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.