Home / 2,395.16-3,307.40-1,766.78

Finding the Fourth Proportional to 2,395.16, 3,307.40 and 1,766.78

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Solution

The fourth proportional to 2,395.16, 3,307.40 and 1,766.78 is: 2,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.16 : 3,307.40 = 1,766.78 : x
  2. Step 2: Convert to fraction form
    2,395.16/3,307.40 = 1,766.78/x
  3. Step 3: Cross multiply
    2,395.16x = 3,307.40 × 1,766.78
  4. Step 4: Simplify right side
    2,395.16x = 5,843,422.80
  5. Step 5: Solve for x
    x = 5,843,422.80/2,395.16
  6. Step 6: Final answer
    x = 2,439.68

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