Home / 2,964.89-4,447.84-1,321.40

Finding the Fourth Proportional to 2,964.89, 4,447.84 and 1,321.40

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Solution

The fourth proportional to 2,964.89, 4,447.84 and 1,321.40 is: 1,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.89 : 4,447.84 = 1,321.40 : x
  2. Step 2: Convert to fraction form
    2,964.89/4,447.84 = 1,321.40/x
  3. Step 3: Cross multiply
    2,964.89x = 4,447.84 × 1,321.40
  4. Step 4: Simplify right side
    2,964.89x = 5,877,350.23
  5. Step 5: Solve for x
    x = 5,877,350.23/2,964.89
  6. Step 6: Final answer
    x = 1,982.32

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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.