Home / 2,961.03-4,443.35-1,318.35

Finding the Fourth Proportional to 2,961.03, 4,443.35 and 1,318.35

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Solution

The fourth proportional to 2,961.03, 4,443.35 and 1,318.35 is: 1,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.03 : 4,443.35 = 1,318.35 : x
  2. Step 2: Convert to fraction form
    2,961.03/4,443.35 = 1,318.35/x
  3. Step 3: Cross multiply
    2,961.03x = 4,443.35 × 1,318.35
  4. Step 4: Simplify right side
    2,961.03x = 5,857,883.88
  5. Step 5: Solve for x
    x = 5,857,883.88/2,961.03
  6. Step 6: Final answer
    x = 1,978.33

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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.