Home / 3,171.36-4,786.68-3,171.36

Finding the Fourth Proportional to 3,171.36, 4,786.68 and 3,171.36

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Solution

The fourth proportional to 3,171.36, 4,786.68 and 3,171.36 is: 4,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.36 : 4,786.68 = 3,171.36 : x
  2. Step 2: Convert to fraction form
    3,171.36/4,786.68 = 3,171.36/x
  3. Step 3: Cross multiply
    3,171.36x = 4,786.68 × 3,171.36
  4. Step 4: Simplify right side
    3,171.36x = 15,180,285.48
  5. Step 5: Solve for x
    x = 15,180,285.48/3,171.36
  6. Step 6: Final answer
    x = 4,786.68

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1.5x scale

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.