Home / 3,094.68-4,271.78-2,105.08

Finding the Fourth Proportional to 3,094.68, 4,271.78 and 2,105.08

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Solution

The fourth proportional to 3,094.68, 4,271.78 and 2,105.08 is: 2,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.68 : 4,271.78 = 2,105.08 : x
  2. Step 2: Convert to fraction form
    3,094.68/4,271.78 = 2,105.08/x
  3. Step 3: Cross multiply
    3,094.68x = 4,271.78 × 2,105.08
  4. Step 4: Simplify right side
    3,094.68x = 8,992,438.64
  5. Step 5: Solve for x
    x = 8,992,438.64/3,094.68
  6. Step 6: Final answer
    x = 2,905.77

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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.