Home / 3,150.67-4,725.91-1,300.38

Finding the Fourth Proportional to 3,150.67, 4,725.91 and 1,300.38

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Solution

The fourth proportional to 3,150.67, 4,725.91 and 1,300.38 is: 1,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.67 : 4,725.91 = 1,300.38 : x
  2. Step 2: Convert to fraction form
    3,150.67/4,725.91 = 1,300.38/x
  3. Step 3: Cross multiply
    3,150.67x = 4,725.91 × 1,300.38
  4. Step 4: Simplify right side
    3,150.67x = 6,145,462.75
  5. Step 5: Solve for x
    x = 6,145,462.75/3,150.67
  6. Step 6: Final answer
    x = 1,950.53

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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.