Home / 4,208.50-6,313.56-1,900

Finding the Fourth Proportional to 4,208.50, 6,313.56 and 1,900

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Solution

The fourth proportional to 4,208.50, 6,313.56 and 1,900 is: 2,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.50 : 6,313.56 = 1,900 : x
  2. Step 2: Convert to fraction form
    4,208.50/6,313.56 = 1,900/x
  3. Step 3: Cross multiply
    4,208.50x = 6,313.56 × 1,900
  4. Step 4: Simplify right side
    4,208.50x = 11,995,764
  5. Step 5: Solve for x
    x = 11,995,764/4,208.50
  6. Step 6: Final answer
    x = 2,850.37

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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.