Home / 2,135.28-3,203.88-1,159.92

Finding the Fourth Proportional to 2,135.28, 3,203.88 and 1,159.92

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Solution

The fourth proportional to 2,135.28, 3,203.88 and 1,159.92 is: 1,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.28 : 3,203.88 = 1,159.92 : x
  2. Step 2: Convert to fraction form
    2,135.28/3,203.88 = 1,159.92/x
  3. Step 3: Cross multiply
    2,135.28x = 3,203.88 × 1,159.92
  4. Step 4: Simplify right side
    2,135.28x = 3,716,244.49
  5. Step 5: Solve for x
    x = 3,716,244.49/2,135.28
  6. Step 6: Final answer
    x = 1,740.40

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