Home / 2,330.91-3,216.64-1,322.61

Finding the Fourth Proportional to 2,330.91, 3,216.64 and 1,322.61

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Solution

The fourth proportional to 2,330.91, 3,216.64 and 1,322.61 is: 1,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.91 : 3,216.64 = 1,322.61 : x
  2. Step 2: Convert to fraction form
    2,330.91/3,216.64 = 1,322.61/x
  3. Step 3: Cross multiply
    2,330.91x = 3,216.64 × 1,322.61
  4. Step 4: Simplify right side
    2,330.91x = 4,254,353.62
  5. Step 5: Solve for x
    x = 4,254,353.62/2,330.91
  6. Step 6: Final answer
    x = 1,825.19

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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.