Home / 2,718.02-4,072.90-2,021.32

Finding the Fourth Proportional to 2,718.02, 4,072.90 and 2,021.32

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Solution

The fourth proportional to 2,718.02, 4,072.90 and 2,021.32 is: 3,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.02 : 4,072.90 = 2,021.32 : x
  2. Step 2: Convert to fraction form
    2,718.02/4,072.90 = 2,021.32/x
  3. Step 3: Cross multiply
    2,718.02x = 4,072.90 × 2,021.32
  4. Step 4: Simplify right side
    2,718.02x = 8,232,634.23
  5. Step 5: Solve for x
    x = 8,232,634.23/2,718.02
  6. Step 6: Final answer
    x = 3,028.91

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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.