Home / 3,157.19-4,735.79-848.69

Finding the Fourth Proportional to 3,157.19, 4,735.79 and 848.69

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Solution

The fourth proportional to 3,157.19, 4,735.79 and 848.69 is: 1,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.19 : 4,735.79 = 848.69 : x
  2. Step 2: Convert to fraction form
    3,157.19/4,735.79 = 848.69/x
  3. Step 3: Cross multiply
    3,157.19x = 4,735.79 × 848.69
  4. Step 4: Simplify right side
    3,157.19x = 4,019,237.27
  5. Step 5: Solve for x
    x = 4,019,237.27/3,157.19
  6. Step 6: Final answer
    x = 1,273.04

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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.