Home / 3,268.09-4,508.71-2,419.37

Finding the Fourth Proportional to 3,268.09, 4,508.71 and 2,419.37

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Solution

The fourth proportional to 3,268.09, 4,508.71 and 2,419.37 is: 3,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.09 : 4,508.71 = 2,419.37 : x
  2. Step 2: Convert to fraction form
    3,268.09/4,508.71 = 2,419.37/x
  3. Step 3: Cross multiply
    3,268.09x = 4,508.71 × 2,419.37
  4. Step 4: Simplify right side
    3,268.09x = 10,908,215.17
  5. Step 5: Solve for x
    x = 10,908,215.17/3,268.09
  6. Step 6: Final answer
    x = 3,337.80

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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.