Home / 1,578.03-2,365.14-1,115.13

Finding the Fourth Proportional to 1,578.03, 2,365.14 and 1,115.13

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Solution

The fourth proportional to 1,578.03, 2,365.14 and 1,115.13 is: 1,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.03 : 2,365.14 = 1,115.13 : x
  2. Step 2: Convert to fraction form
    1,578.03/2,365.14 = 1,115.13/x
  3. Step 3: Cross multiply
    1,578.03x = 2,365.14 × 1,115.13
  4. Step 4: Simplify right side
    1,578.03x = 2,637,438.57
  5. Step 5: Solve for x
    x = 2,637,438.57/1,578.03
  6. Step 6: Final answer
    x = 1,671.35

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