Home / 3,383.50-4,669.23-1,891.36

Finding the Fourth Proportional to 3,383.50, 4,669.23 and 1,891.36

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Solution

The fourth proportional to 3,383.50, 4,669.23 and 1,891.36 is: 2,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.50 : 4,669.23 = 1,891.36 : x
  2. Step 2: Convert to fraction form
    3,383.50/4,669.23 = 1,891.36/x
  3. Step 3: Cross multiply
    3,383.50x = 4,669.23 × 1,891.36
  4. Step 4: Simplify right side
    3,383.50x = 8,831,194.85
  5. Step 5: Solve for x
    x = 8,831,194.85/3,383.50
  6. Step 6: Final answer
    x = 2,610.08

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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.