Home / 3,057.84-4,219.89-1,731.27

Finding the Fourth Proportional to 3,057.84, 4,219.89 and 1,731.27

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Solution

The fourth proportional to 3,057.84, 4,219.89 and 1,731.27 is: 2,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.84 : 4,219.89 = 1,731.27 : x
  2. Step 2: Convert to fraction form
    3,057.84/4,219.89 = 1,731.27/x
  3. Step 3: Cross multiply
    3,057.84x = 4,219.89 × 1,731.27
  4. Step 4: Simplify right side
    3,057.84x = 7,305,768.96
  5. Step 5: Solve for x
    x = 7,305,768.96/3,057.84
  6. Step 6: Final answer
    x = 2,389.19

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1.5x scale

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.