Home / 3,374.20-4,653.38-2,115.41

Finding the Fourth Proportional to 3,374.20, 4,653.38 and 2,115.41

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Solution

The fourth proportional to 3,374.20, 4,653.38 and 2,115.41 is: 2,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.20 : 4,653.38 = 2,115.41 : x
  2. Step 2: Convert to fraction form
    3,374.20/4,653.38 = 2,115.41/x
  3. Step 3: Cross multiply
    3,374.20x = 4,653.38 × 2,115.41
  4. Step 4: Simplify right side
    3,374.20x = 9,843,806.59
  5. Step 5: Solve for x
    x = 9,843,806.59/3,374.20
  6. Step 6: Final answer
    x = 2,917.37

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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.