Home / 2,824.48-4,234.56-1,900

Finding the Fourth Proportional to 2,824.48, 4,234.56 and 1,900

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Solution

The fourth proportional to 2,824.48, 4,234.56 and 1,900 is: 2,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.48 : 4,234.56 = 1,900 : x
  2. Step 2: Convert to fraction form
    2,824.48/4,234.56 = 1,900/x
  3. Step 3: Cross multiply
    2,824.48x = 4,234.56 × 1,900
  4. Step 4: Simplify right side
    2,824.48x = 8,045,664.00
  5. Step 5: Solve for x
    x = 8,045,664.00/2,824.48
  6. Step 6: Final answer
    x = 2,848.55

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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.