Home / 2,123.19-3,181.02-1,811.88

Finding the Fourth Proportional to 2,123.19, 3,181.02 and 1,811.88

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Solution

The fourth proportional to 2,123.19, 3,181.02 and 1,811.88 is: 2,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.19 : 3,181.02 = 1,811.88 : x
  2. Step 2: Convert to fraction form
    2,123.19/3,181.02 = 1,811.88/x
  3. Step 3: Cross multiply
    2,123.19x = 3,181.02 × 1,811.88
  4. Step 4: Simplify right side
    2,123.19x = 5,763,626.52
  5. Step 5: Solve for x
    x = 5,763,626.52/2,123.19
  6. Step 6: Final answer
    x = 2,714.61

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