Home / 2,824.51-4,231.48-2,519.47

Finding the Fourth Proportional to 2,824.51, 4,231.48 and 2,519.47

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Solution

The fourth proportional to 2,824.51, 4,231.48 and 2,519.47 is: 3,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.51 : 4,231.48 = 2,519.47 : x
  2. Step 2: Convert to fraction form
    2,824.51/4,231.48 = 2,519.47/x
  3. Step 3: Cross multiply
    2,824.51x = 4,231.48 × 2,519.47
  4. Step 4: Simplify right side
    2,824.51x = 10,661,086.92
  5. Step 5: Solve for x
    x = 10,661,086.92/2,824.51
  6. Step 6: Final answer
    x = 3,774.49

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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.