Home / 3,383.37-4,668.44-1,891.15

Finding the Fourth Proportional to 3,383.37, 4,668.44 and 1,891.15

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Solution

The fourth proportional to 3,383.37, 4,668.44 and 1,891.15 is: 2,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.37 : 4,668.44 = 1,891.15 : x
  2. Step 2: Convert to fraction form
    3,383.37/4,668.44 = 1,891.15/x
  3. Step 3: Cross multiply
    3,383.37x = 4,668.44 × 1,891.15
  4. Step 4: Simplify right side
    3,383.37x = 8,828,699.18
  5. Step 5: Solve for x
    x = 8,828,699.18/3,383.37
  6. Step 6: Final answer
    x = 2,609.44

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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.