Home / 3,180.92-4,767.96-3,146.36

Finding the Fourth Proportional to 3,180.92, 4,767.96 and 3,146.36

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Solution

The fourth proportional to 3,180.92, 4,767.96 and 3,146.36 is: 4,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.92 : 4,767.96 = 3,146.36 : x
  2. Step 2: Convert to fraction form
    3,180.92/4,767.96 = 3,146.36/x
  3. Step 3: Cross multiply
    3,180.92x = 4,767.96 × 3,146.36
  4. Step 4: Simplify right side
    3,180.92x = 15,001,718.63
  5. Step 5: Solve for x
    x = 15,001,718.63/3,180.92
  6. Step 6: Final answer
    x = 4,716.16

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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.