Home / 3,146.09-4,719.59-1,171.56

Finding the Fourth Proportional to 3,146.09, 4,719.59 and 1,171.56

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Solution

The fourth proportional to 3,146.09, 4,719.59 and 1,171.56 is: 1,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.09 : 4,719.59 = 1,171.56 : x
  2. Step 2: Convert to fraction form
    3,146.09/4,719.59 = 1,171.56/x
  3. Step 3: Cross multiply
    3,146.09x = 4,719.59 × 1,171.56
  4. Step 4: Simplify right side
    3,146.09x = 5,529,285.79
  5. Step 5: Solve for x
    x = 5,529,285.79/3,146.09
  6. Step 6: Final answer
    x = 1,757.51

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1.5x scale

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.