Home / 3,103.10-4,655.76-1,931.43

Finding the Fourth Proportional to 3,103.10, 4,655.76 and 1,931.43

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Solution

The fourth proportional to 3,103.10, 4,655.76 and 1,931.43 is: 2,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.10 : 4,655.76 = 1,931.43 : x
  2. Step 2: Convert to fraction form
    3,103.10/4,655.76 = 1,931.43/x
  3. Step 3: Cross multiply
    3,103.10x = 4,655.76 × 1,931.43
  4. Step 4: Simplify right side
    3,103.10x = 8,992,274.54
  5. Step 5: Solve for x
    x = 8,992,274.54/3,103.10
  6. Step 6: Final answer
    x = 2,897.84

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