Home / 3,157.12-4,733.44-1,308.16

Finding the Fourth Proportional to 3,157.12, 4,733.44 and 1,308.16

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Solution

The fourth proportional to 3,157.12, 4,733.44 and 1,308.16 is: 1,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.12 : 4,733.44 = 1,308.16 : x
  2. Step 2: Convert to fraction form
    3,157.12/4,733.44 = 1,308.16/x
  3. Step 3: Cross multiply
    3,157.12x = 4,733.44 × 1,308.16
  4. Step 4: Simplify right side
    3,157.12x = 6,192,096.87
  5. Step 5: Solve for x
    x = 6,192,096.87/3,157.12
  6. Step 6: Final answer
    x = 1,961.31

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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.