Home / 3,020.02-4,165.71-2,181.96

Finding the Fourth Proportional to 3,020.02, 4,165.71 and 2,181.96

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Solution

The fourth proportional to 3,020.02, 4,165.71 and 2,181.96 is: 3,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.02 : 4,165.71 = 2,181.96 : x
  2. Step 2: Convert to fraction form
    3,020.02/4,165.71 = 2,181.96/x
  3. Step 3: Cross multiply
    3,020.02x = 4,165.71 × 2,181.96
  4. Step 4: Simplify right side
    3,020.02x = 9,089,391.76
  5. Step 5: Solve for x
    x = 9,089,391.76/3,020.02
  6. Step 6: Final answer
    x = 3,009.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.