Home / 3,034.08-4,540.80-1,939.20

Finding the Fourth Proportional to 3,034.08, 4,540.80 and 1,939.20

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Solution

The fourth proportional to 3,034.08, 4,540.80 and 1,939.20 is: 2,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.08 : 4,540.80 = 1,939.20 : x
  2. Step 2: Convert to fraction form
    3,034.08/4,540.80 = 1,939.20/x
  3. Step 3: Cross multiply
    3,034.08x = 4,540.80 × 1,939.20
  4. Step 4: Simplify right side
    3,034.08x = 8,805,519.36
  5. Step 5: Solve for x
    x = 8,805,519.36/3,034.08
  6. Step 6: Final answer
    x = 2,902.20

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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.