Home / 1,954.80-2,698.36-1,168.56

Finding the Fourth Proportional to 1,954.80, 2,698.36 and 1,168.56

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Solution

The fourth proportional to 1,954.80, 2,698.36 and 1,168.56 is: 1,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.80 : 2,698.36 = 1,168.56 : x
  2. Step 2: Convert to fraction form
    1,954.80/2,698.36 = 1,168.56/x
  3. Step 3: Cross multiply
    1,954.80x = 2,698.36 × 1,168.56
  4. Step 4: Simplify right side
    1,954.80x = 3,153,195.56
  5. Step 5: Solve for x
    x = 3,153,195.56/1,954.80
  6. Step 6: Final answer
    x = 1,613.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.