Home / 3,945.06-5,915.66-2,302.02

Finding the Fourth Proportional to 3,945.06, 5,915.66 and 2,302.02

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Solution

The fourth proportional to 3,945.06, 5,915.66 and 2,302.02 is: 3,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.06 : 5,915.66 = 2,302.02 : x
  2. Step 2: Convert to fraction form
    3,945.06/5,915.66 = 2,302.02/x
  3. Step 3: Cross multiply
    3,945.06x = 5,915.66 × 2,302.02
  4. Step 4: Simplify right side
    3,945.06x = 13,617,956.12
  5. Step 5: Solve for x
    x = 13,617,956.12/3,945.06
  6. Step 6: Final answer
    x = 3,451.90

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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.