Home / 3,106.89-4,660.33-2,130.03

Finding the Fourth Proportional to 3,106.89, 4,660.33 and 2,130.03

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Solution

The fourth proportional to 3,106.89, 4,660.33 and 2,130.03 is: 3,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.89 : 4,660.33 = 2,130.03 : x
  2. Step 2: Convert to fraction form
    3,106.89/4,660.33 = 2,130.03/x
  3. Step 3: Cross multiply
    3,106.89x = 4,660.33 × 2,130.03
  4. Step 4: Simplify right side
    3,106.89x = 9,926,608.76
  5. Step 5: Solve for x
    x = 9,926,608.76/3,106.89
  6. Step 6: Final answer
    x = 3,195.04

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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.