Home / 2,330.66-3,216.22-1,422.61

Finding the Fourth Proportional to 2,330.66, 3,216.22 and 1,422.61

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Solution

The fourth proportional to 2,330.66, 3,216.22 and 1,422.61 is: 1,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.66 : 3,216.22 = 1,422.61 : x
  2. Step 2: Convert to fraction form
    2,330.66/3,216.22 = 1,422.61/x
  3. Step 3: Cross multiply
    2,330.66x = 3,216.22 × 1,422.61
  4. Step 4: Simplify right side
    2,330.66x = 4,575,415.14
  5. Step 5: Solve for x
    x = 4,575,415.14/2,330.66
  6. Step 6: Final answer
    x = 1,963.14

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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.