Home / 3,471.09-4,788.56-2,211.47

Finding the Fourth Proportional to 3,471.09, 4,788.56 and 2,211.47

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Solution

The fourth proportional to 3,471.09, 4,788.56 and 2,211.47 is: 3,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.09 : 4,788.56 = 2,211.47 : x
  2. Step 2: Convert to fraction form
    3,471.09/4,788.56 = 2,211.47/x
  3. Step 3: Cross multiply
    3,471.09x = 4,788.56 × 2,211.47
  4. Step 4: Simplify right side
    3,471.09x = 10,589,738.37
  5. Step 5: Solve for x
    x = 10,589,738.37/3,471.09
  6. Step 6: Final answer
    x = 3,050.84

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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.