Home / 3,383.39-4,669.07-1,891.31

Finding the Fourth Proportional to 3,383.39, 4,669.07 and 1,891.31

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Solution

The fourth proportional to 3,383.39, 4,669.07 and 1,891.31 is: 2,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.39 : 4,669.07 = 1,891.31 : x
  2. Step 2: Convert to fraction form
    3,383.39/4,669.07 = 1,891.31/x
  3. Step 3: Cross multiply
    3,383.39x = 4,669.07 × 1,891.31
  4. Step 4: Simplify right side
    3,383.39x = 8,830,635.44
  5. Step 5: Solve for x
    x = 8,830,635.44/3,383.39
  6. Step 6: Final answer
    x = 2,610.00

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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.