Home / 1,696.60-2,556.46-1,395.21

Finding the Fourth Proportional to 1,696.60, 2,556.46 and 1,395.21

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Solution

The fourth proportional to 1,696.60, 2,556.46 and 1,395.21 is: 2,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.60 : 2,556.46 = 1,395.21 : x
  2. Step 2: Convert to fraction form
    1,696.60/2,556.46 = 1,395.21/x
  3. Step 3: Cross multiply
    1,696.60x = 2,556.46 × 1,395.21
  4. Step 4: Simplify right side
    1,696.60x = 3,566,797.40
  5. Step 5: Solve for x
    x = 3,566,797.40/1,696.60
  6. Step 6: Final answer
    x = 2,102.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.