Home / 3,485.14-4,811.75-2,160.25

Finding the Fourth Proportional to 3,485.14, 4,811.75 and 2,160.25

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Solution

The fourth proportional to 3,485.14, 4,811.75 and 2,160.25 is: 2,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.14 : 4,811.75 = 2,160.25 : x
  2. Step 2: Convert to fraction form
    3,485.14/4,811.75 = 2,160.25/x
  3. Step 3: Cross multiply
    3,485.14x = 4,811.75 × 2,160.25
  4. Step 4: Simplify right side
    3,485.14x = 10,394,572.14
  5. Step 5: Solve for x
    x = 10,394,572.14/3,485.14
  6. Step 6: Final answer
    x = 2,982.54

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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.