Home / 3,035.88-4,162.21-2,980.53

Finding the Fourth Proportional to 3,035.88, 4,162.21 and 2,980.53

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Solution

The fourth proportional to 3,035.88, 4,162.21 and 2,980.53 is: 4,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.88 : 4,162.21 = 2,980.53 : x
  2. Step 2: Convert to fraction form
    3,035.88/4,162.21 = 2,980.53/x
  3. Step 3: Cross multiply
    3,035.88x = 4,162.21 × 2,980.53
  4. Step 4: Simplify right side
    3,035.88x = 12,405,584.32
  5. Step 5: Solve for x
    x = 12,405,584.32/3,035.88
  6. Step 6: Final answer
    x = 4,086.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.