Home / 3,106.20-4,659.30-2,868.60

Finding the Fourth Proportional to 3,106.20, 4,659.30 and 2,868.60

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Solution

The fourth proportional to 3,106.20, 4,659.30 and 2,868.60 is: 4,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.20 : 4,659.30 = 2,868.60 : x
  2. Step 2: Convert to fraction form
    3,106.20/4,659.30 = 2,868.60/x
  3. Step 3: Cross multiply
    3,106.20x = 4,659.30 × 2,868.60
  4. Step 4: Simplify right side
    3,106.20x = 13,365,667.98
  5. Step 5: Solve for x
    x = 13,365,667.98/3,106.20
  6. Step 6: Final answer
    x = 4,302.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.