Home / 3,208.56-4,810.20-1,563.36

Finding the Fourth Proportional to 3,208.56, 4,810.20 and 1,563.36

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Solution

The fourth proportional to 3,208.56, 4,810.20 and 1,563.36 is: 2,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.56 : 4,810.20 = 1,563.36 : x
  2. Step 2: Convert to fraction form
    3,208.56/4,810.20 = 1,563.36/x
  3. Step 3: Cross multiply
    3,208.56x = 4,810.20 × 1,563.36
  4. Step 4: Simplify right side
    3,208.56x = 7,520,074.27
  5. Step 5: Solve for x
    x = 7,520,074.27/3,208.56
  6. Step 6: Final answer
    x = 2,343.75

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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.