Home / 3,102.16-4,650.72-1,370.56

Finding the Fourth Proportional to 3,102.16, 4,650.72 and 1,370.56

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Solution

The fourth proportional to 3,102.16, 4,650.72 and 1,370.56 is: 2,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.16 : 4,650.72 = 1,370.56 : x
  2. Step 2: Convert to fraction form
    3,102.16/4,650.72 = 1,370.56/x
  3. Step 3: Cross multiply
    3,102.16x = 4,650.72 × 1,370.56
  4. Step 4: Simplify right side
    3,102.16x = 6,374,090.80
  5. Step 5: Solve for x
    x = 6,374,090.80/3,102.16
  6. Step 6: Final answer
    x = 2,054.73

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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.