Home / 3,244.56-4,871.60-2,137.28

Finding the Fourth Proportional to 3,244.56, 4,871.60 and 2,137.28

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Solution

The fourth proportional to 3,244.56, 4,871.60 and 2,137.28 is: 3,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.56 : 4,871.60 = 2,137.28 : x
  2. Step 2: Convert to fraction form
    3,244.56/4,871.60 = 2,137.28/x
  3. Step 3: Cross multiply
    3,244.56x = 4,871.60 × 2,137.28
  4. Step 4: Simplify right side
    3,244.56x = 10,411,973.25
  5. Step 5: Solve for x
    x = 10,411,973.25/3,244.56
  6. Step 6: Final answer
    x = 3,209.06

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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.