Home / 3,227.85-4,840.58-1,911.89

Finding the Fourth Proportional to 3,227.85, 4,840.58 and 1,911.89

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Solution

The fourth proportional to 3,227.85, 4,840.58 and 1,911.89 is: 2,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.85 : 4,840.58 = 1,911.89 : x
  2. Step 2: Convert to fraction form
    3,227.85/4,840.58 = 1,911.89/x
  3. Step 3: Cross multiply
    3,227.85x = 4,840.58 × 1,911.89
  4. Step 4: Simplify right side
    3,227.85x = 9,254,656.50
  5. Step 5: Solve for x
    x = 9,254,656.50/3,227.85
  6. Step 6: Final answer
    x = 2,867.13

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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.