Home / 2,989.27-4,484.52-2,469.87

Finding the Fourth Proportional to 2,989.27, 4,484.52 and 2,469.87

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Solution

The fourth proportional to 2,989.27, 4,484.52 and 2,469.87 is: 3,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.27 : 4,484.52 = 2,469.87 : x
  2. Step 2: Convert to fraction form
    2,989.27/4,484.52 = 2,469.87/x
  3. Step 3: Cross multiply
    2,989.27x = 4,484.52 × 2,469.87
  4. Step 4: Simplify right side
    2,989.27x = 11,076,181.41
  5. Step 5: Solve for x
    x = 11,076,181.41/2,989.27
  6. Step 6: Final answer
    x = 3,705.31

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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.