Home / 2,805.27-4,213.44-2,418.63

Finding the Fourth Proportional to 2,805.27, 4,213.44 and 2,418.63

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Solution

The fourth proportional to 2,805.27, 4,213.44 and 2,418.63 is: 3,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.27 : 4,213.44 = 2,418.63 : x
  2. Step 2: Convert to fraction form
    2,805.27/4,213.44 = 2,418.63/x
  3. Step 3: Cross multiply
    2,805.27x = 4,213.44 × 2,418.63
  4. Step 4: Simplify right side
    2,805.27x = 10,190,752.39
  5. Step 5: Solve for x
    x = 10,190,752.39/2,805.27
  6. Step 6: Final answer
    x = 3,632.72

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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.