Home / 1,978.14-2,962.26-1,245.36

Finding the Fourth Proportional to 1,978.14, 2,962.26 and 1,245.36

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Solution

The fourth proportional to 1,978.14, 2,962.26 and 1,245.36 is: 1,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.14 : 2,962.26 = 1,245.36 : x
  2. Step 2: Convert to fraction form
    1,978.14/2,962.26 = 1,245.36/x
  3. Step 3: Cross multiply
    1,978.14x = 2,962.26 × 1,245.36
  4. Step 4: Simplify right side
    1,978.14x = 3,689,080.11
  5. Step 5: Solve for x
    x = 3,689,080.11/1,978.14
  6. Step 6: Final answer
    x = 1,864.92

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