Home / 3,054.23-4,578.78-2,127.05

Finding the Fourth Proportional to 3,054.23, 4,578.78 and 2,127.05

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Solution

The fourth proportional to 3,054.23, 4,578.78 and 2,127.05 is: 3,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.23 : 4,578.78 = 2,127.05 : x
  2. Step 2: Convert to fraction form
    3,054.23/4,578.78 = 2,127.05/x
  3. Step 3: Cross multiply
    3,054.23x = 4,578.78 × 2,127.05
  4. Step 4: Simplify right side
    3,054.23x = 9,739,294.00
  5. Step 5: Solve for x
    x = 9,739,294.00/3,054.23
  6. Step 6: Final answer
    x = 3,188.79

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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.