Home / 2,991.46-4,487.20-2,064.28

Finding the Fourth Proportional to 2,991.46, 4,487.20 and 2,064.28

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Solution

The fourth proportional to 2,991.46, 4,487.20 and 2,064.28 is: 3,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.46 : 4,487.20 = 2,064.28 : x
  2. Step 2: Convert to fraction form
    2,991.46/4,487.20 = 2,064.28/x
  3. Step 3: Cross multiply
    2,991.46x = 4,487.20 × 2,064.28
  4. Step 4: Simplify right side
    2,991.46x = 9,262,837.22
  5. Step 5: Solve for x
    x = 9,262,837.22/2,991.46
  6. Step 6: Final answer
    x = 3,096.43

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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.