Home / 3,989.84-5,506.60-3,044.02

Finding the Fourth Proportional to 3,989.84, 5,506.60 and 3,044.02

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Solution

The fourth proportional to 3,989.84, 5,506.60 and 3,044.02 is: 4,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.84 : 5,506.60 = 3,044.02 : x
  2. Step 2: Convert to fraction form
    3,989.84/5,506.60 = 3,044.02/x
  3. Step 3: Cross multiply
    3,989.84x = 5,506.60 × 3,044.02
  4. Step 4: Simplify right side
    3,989.84x = 16,762,200.53
  5. Step 5: Solve for x
    x = 16,762,200.53/3,989.84
  6. Step 6: Final answer
    x = 4,201.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.