Home / 3,084.29-4,255.12-1,965.03

Finding the Fourth Proportional to 3,084.29, 4,255.12 and 1,965.03

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Solution

The fourth proportional to 3,084.29, 4,255.12 and 1,965.03 is: 2,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.29 : 4,255.12 = 1,965.03 : x
  2. Step 2: Convert to fraction form
    3,084.29/4,255.12 = 1,965.03/x
  3. Step 3: Cross multiply
    3,084.29x = 4,255.12 × 1,965.03
  4. Step 4: Simplify right side
    3,084.29x = 8,361,438.45
  5. Step 5: Solve for x
    x = 8,361,438.45/3,084.29
  6. Step 6: Final answer
    x = 2,710.98

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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.