Home / 3,106.36-4,659.74-1,157.91

Finding the Fourth Proportional to 3,106.36, 4,659.74 and 1,157.91

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Solution

The fourth proportional to 3,106.36, 4,659.74 and 1,157.91 is: 1,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.36 : 4,659.74 = 1,157.91 : x
  2. Step 2: Convert to fraction form
    3,106.36/4,659.74 = 1,157.91/x
  3. Step 3: Cross multiply
    3,106.36x = 4,659.74 × 1,157.91
  4. Step 4: Simplify right side
    3,106.36x = 5,395,559.54
  5. Step 5: Solve for x
    x = 5,395,559.54/3,106.36
  6. Step 6: Final answer
    x = 1,736.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.