Home / 3,394.40-4,684.36-1,902.29

Finding the Fourth Proportional to 3,394.40, 4,684.36 and 1,902.29

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Solution

The fourth proportional to 3,394.40, 4,684.36 and 1,902.29 is: 2,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.40 : 4,684.36 = 1,902.29 : x
  2. Step 2: Convert to fraction form
    3,394.40/4,684.36 = 1,902.29/x
  3. Step 3: Cross multiply
    3,394.40x = 4,684.36 × 1,902.29
  4. Step 4: Simplify right side
    3,394.40x = 8,910,986.57
  5. Step 5: Solve for x
    x = 8,910,986.57/3,394.40
  6. Step 6: Final answer
    x = 2,625.21

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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.