Home / 3,081.14-4,245.57-2,746.01

Finding the Fourth Proportional to 3,081.14, 4,245.57 and 2,746.01

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Solution

The fourth proportional to 3,081.14, 4,245.57 and 2,746.01 is: 3,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.14 : 4,245.57 = 2,746.01 : x
  2. Step 2: Convert to fraction form
    3,081.14/4,245.57 = 2,746.01/x
  3. Step 3: Cross multiply
    3,081.14x = 4,245.57 × 2,746.01
  4. Step 4: Simplify right side
    3,081.14x = 11,658,356.45
  5. Step 5: Solve for x
    x = 11,658,356.45/3,081.14
  6. Step 6: Final answer
    x = 3,783.79

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1.5x scale

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.