Home / 2,960.64-4,443.84-1,422.72

Finding the Fourth Proportional to 2,960.64, 4,443.84 and 1,422.72

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Solution

The fourth proportional to 2,960.64, 4,443.84 and 1,422.72 is: 2,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.64 : 4,443.84 = 1,422.72 : x
  2. Step 2: Convert to fraction form
    2,960.64/4,443.84 = 1,422.72/x
  3. Step 3: Cross multiply
    2,960.64x = 4,443.84 × 1,422.72
  4. Step 4: Simplify right side
    2,960.64x = 6,322,340.04
  5. Step 5: Solve for x
    x = 6,322,340.04/2,960.64
  6. Step 6: Final answer
    x = 2,135.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.