Home / 2,790.16-4,185.37-2,007.99

Finding the Fourth Proportional to 2,790.16, 4,185.37 and 2,007.99

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Solution

The fourth proportional to 2,790.16, 4,185.37 and 2,007.99 is: 3,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.16 : 4,185.37 = 2,007.99 : x
  2. Step 2: Convert to fraction form
    2,790.16/4,185.37 = 2,007.99/x
  3. Step 3: Cross multiply
    2,790.16x = 4,185.37 × 2,007.99
  4. Step 4: Simplify right side
    2,790.16x = 8,404,181.11
  5. Step 5: Solve for x
    x = 8,404,181.11/2,790.16
  6. Step 6: Final answer
    x = 3,012.08

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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.