Home / 2,180.16-3,008.52-1,185.36

Finding the Fourth Proportional to 2,180.16, 3,008.52 and 1,185.36

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Solution

The fourth proportional to 2,180.16, 3,008.52 and 1,185.36 is: 1,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.16 : 3,008.52 = 1,185.36 : x
  2. Step 2: Convert to fraction form
    2,180.16/3,008.52 = 1,185.36/x
  3. Step 3: Cross multiply
    2,180.16x = 3,008.52 × 1,185.36
  4. Step 4: Simplify right side
    2,180.16x = 3,566,179.27
  5. Step 5: Solve for x
    x = 3,566,179.27/2,180.16
  6. Step 6: Final answer
    x = 1,635.74

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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.