Home / 3,084.37-4,257.09-1,965.04

Finding the Fourth Proportional to 3,084.37, 4,257.09 and 1,965.04

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Solution

The fourth proportional to 3,084.37, 4,257.09 and 1,965.04 is: 2,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.37 : 4,257.09 = 1,965.04 : x
  2. Step 2: Convert to fraction form
    3,084.37/4,257.09 = 1,965.04/x
  3. Step 3: Cross multiply
    3,084.37x = 4,257.09 × 1,965.04
  4. Step 4: Simplify right side
    3,084.37x = 8,365,341.49
  5. Step 5: Solve for x
    x = 8,365,341.49/3,084.37
  6. Step 6: Final answer
    x = 2,712.17

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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.