Home / 3,968.64-5,477.05-2,200.82

Finding the Fourth Proportional to 3,968.64, 5,477.05 and 2,200.82

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Solution

The fourth proportional to 3,968.64, 5,477.05 and 2,200.82 is: 3,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.64 : 5,477.05 = 2,200.82 : x
  2. Step 2: Convert to fraction form
    3,968.64/5,477.05 = 2,200.82/x
  3. Step 3: Cross multiply
    3,968.64x = 5,477.05 × 2,200.82
  4. Step 4: Simplify right side
    3,968.64x = 12,054,001.18
  5. Step 5: Solve for x
    x = 12,054,001.18/3,968.64
  6. Step 6: Final answer
    x = 3,037.31

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