Home / 3,155.16-4,729.15-1,919.85

Finding the Fourth Proportional to 3,155.16, 4,729.15 and 1,919.85

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Solution

The fourth proportional to 3,155.16, 4,729.15 and 1,919.85 is: 2,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.16 : 4,729.15 = 1,919.85 : x
  2. Step 2: Convert to fraction form
    3,155.16/4,729.15 = 1,919.85/x
  3. Step 3: Cross multiply
    3,155.16x = 4,729.15 × 1,919.85
  4. Step 4: Simplify right side
    3,155.16x = 9,079,225.38
  5. Step 5: Solve for x
    x = 9,079,225.38/3,155.16
  6. Step 6: Final answer
    x = 2,877.58

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