Home / 3,545.21-5,315.54-1,696.28

Finding the Fourth Proportional to 3,545.21, 5,315.54 and 1,696.28

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Solution

The fourth proportional to 3,545.21, 5,315.54 and 1,696.28 is: 2,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.21 : 5,315.54 = 1,696.28 : x
  2. Step 2: Convert to fraction form
    3,545.21/5,315.54 = 1,696.28/x
  3. Step 3: Cross multiply
    3,545.21x = 5,315.54 × 1,696.28
  4. Step 4: Simplify right side
    3,545.21x = 9,016,649.00
  5. Step 5: Solve for x
    x = 9,016,649.00/3,545.21
  6. Step 6: Final answer
    x = 2,543.33

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