Home / 2,331.06-3,216.08-1,322.66

Finding the Fourth Proportional to 2,331.06, 3,216.08 and 1,322.66

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Solution

The fourth proportional to 2,331.06, 3,216.08 and 1,322.66 is: 1,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.06 : 3,216.08 = 1,322.66 : x
  2. Step 2: Convert to fraction form
    2,331.06/3,216.08 = 1,322.66/x
  3. Step 3: Cross multiply
    2,331.06x = 3,216.08 × 1,322.66
  4. Step 4: Simplify right side
    2,331.06x = 4,253,780.37
  5. Step 5: Solve for x
    x = 4,253,780.37/2,331.06
  6. Step 6: Final answer
    x = 1,824.83

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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.