Home / 3,147.86-4,722.36-2,568.00

Finding the Fourth Proportional to 3,147.86, 4,722.36 and 2,568.00

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Solution

The fourth proportional to 3,147.86, 4,722.36 and 2,568.00 is: 3,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.86 : 4,722.36 = 2,568.00 : x
  2. Step 2: Convert to fraction form
    3,147.86/4,722.36 = 2,568.00/x
  3. Step 3: Cross multiply
    3,147.86x = 4,722.36 × 2,568.00
  4. Step 4: Simplify right side
    3,147.86x = 12,127,028.56
  5. Step 5: Solve for x
    x = 12,127,028.56/3,147.86
  6. Step 6: Final answer
    x = 3,852.46

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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.