Home / 3,104.06-4,283.68-1,687.84

Finding the Fourth Proportional to 3,104.06, 4,283.68 and 1,687.84

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Solution

The fourth proportional to 3,104.06, 4,283.68 and 1,687.84 is: 2,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.06 : 4,283.68 = 1,687.84 : x
  2. Step 2: Convert to fraction form
    3,104.06/4,283.68 = 1,687.84/x
  3. Step 3: Cross multiply
    3,104.06x = 4,283.68 × 1,687.84
  4. Step 4: Simplify right side
    3,104.06x = 7,230,166.45
  5. Step 5: Solve for x
    x = 7,230,166.45/3,104.06
  6. Step 6: Final answer
    x = 2,329.26

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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.