Home / 3,485.82-4,817.03-2,645.04

Finding the Fourth Proportional to 3,485.82, 4,817.03 and 2,645.04

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Solution

The fourth proportional to 3,485.82, 4,817.03 and 2,645.04 is: 3,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.82 : 4,817.03 = 2,645.04 : x
  2. Step 2: Convert to fraction form
    3,485.82/4,817.03 = 2,645.04/x
  3. Step 3: Cross multiply
    3,485.82x = 4,817.03 × 2,645.04
  4. Step 4: Simplify right side
    3,485.82x = 12,741,237.03
  5. Step 5: Solve for x
    x = 12,741,237.03/3,485.82
  6. Step 6: Final answer
    x = 3,655.16

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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.