Home / 3,057.75-4,219.32-1,731.41

Finding the Fourth Proportional to 3,057.75, 4,219.32 and 1,731.41

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Solution

The fourth proportional to 3,057.75, 4,219.32 and 1,731.41 is: 2,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.75 : 4,219.32 = 1,731.41 : x
  2. Step 2: Convert to fraction form
    3,057.75/4,219.32 = 1,731.41/x
  3. Step 3: Cross multiply
    3,057.75x = 4,219.32 × 1,731.41
  4. Step 4: Simplify right side
    3,057.75x = 7,305,374.06
  5. Step 5: Solve for x
    x = 7,305,374.06/3,057.75
  6. Step 6: Final answer
    x = 2,389.13

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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.