Home / 3,018.37-4,530.63-2,081.38

Finding the Fourth Proportional to 3,018.37, 4,530.63 and 2,081.38

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Solution

The fourth proportional to 3,018.37, 4,530.63 and 2,081.38 is: 3,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.37 : 4,530.63 = 2,081.38 : x
  2. Step 2: Convert to fraction form
    3,018.37/4,530.63 = 2,081.38/x
  3. Step 3: Cross multiply
    3,018.37x = 4,530.63 × 2,081.38
  4. Step 4: Simplify right side
    3,018.37x = 9,429,961.44
  5. Step 5: Solve for x
    x = 9,429,961.44/3,018.37
  6. Step 6: Final answer
    x = 3,124.19

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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.