Home / 2,330.64-3,213.36-1,489.95

Finding the Fourth Proportional to 2,330.64, 3,213.36 and 1,489.95

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Solution

The fourth proportional to 2,330.64, 3,213.36 and 1,489.95 is: 2,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.64 : 3,213.36 = 1,489.95 : x
  2. Step 2: Convert to fraction form
    2,330.64/3,213.36 = 1,489.95/x
  3. Step 3: Cross multiply
    2,330.64x = 3,213.36 × 1,489.95
  4. Step 4: Simplify right side
    2,330.64x = 4,787,745.73
  5. Step 5: Solve for x
    x = 4,787,745.73/2,330.64
  6. Step 6: Final answer
    x = 2,054.26

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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.