Home / 2,982.58-4,467.90-1,424.10

Finding the Fourth Proportional to 2,982.58, 4,467.90 and 1,424.10

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Solution

The fourth proportional to 2,982.58, 4,467.90 and 1,424.10 is: 2,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.58 : 4,467.90 = 1,424.10 : x
  2. Step 2: Convert to fraction form
    2,982.58/4,467.90 = 1,424.10/x
  3. Step 3: Cross multiply
    2,982.58x = 4,467.90 × 1,424.10
  4. Step 4: Simplify right side
    2,982.58x = 6,362,736.39
  5. Step 5: Solve for x
    x = 6,362,736.39/2,982.58
  6. Step 6: Final answer
    x = 2,133.30

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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.