Home / 3,664.40-5,057.16-2,267.60

Finding the Fourth Proportional to 3,664.40, 5,057.16 and 2,267.60

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Solution

The fourth proportional to 3,664.40, 5,057.16 and 2,267.60 is: 3,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.40 : 5,057.16 = 2,267.60 : x
  2. Step 2: Convert to fraction form
    3,664.40/5,057.16 = 2,267.60/x
  3. Step 3: Cross multiply
    3,664.40x = 5,057.16 × 2,267.60
  4. Step 4: Simplify right side
    3,664.40x = 11,467,616.02
  5. Step 5: Solve for x
    x = 11,467,616.02/3,664.40
  6. Step 6: Final answer
    x = 3,129.47

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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.