Home / 3,208.23-4,425.44-1,948.41

Finding the Fourth Proportional to 3,208.23, 4,425.44 and 1,948.41

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Solution

The fourth proportional to 3,208.23, 4,425.44 and 1,948.41 is: 2,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.23 : 4,425.44 = 1,948.41 : x
  2. Step 2: Convert to fraction form
    3,208.23/4,425.44 = 1,948.41/x
  3. Step 3: Cross multiply
    3,208.23x = 4,425.44 × 1,948.41
  4. Step 4: Simplify right side
    3,208.23x = 8,622,561.81
  5. Step 5: Solve for x
    x = 8,622,561.81/3,208.23
  6. Step 6: Final answer
    x = 2,687.64

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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.