Home / 3,218.02-4,821.99-2,568.58

Finding the Fourth Proportional to 3,218.02, 4,821.99 and 2,568.58

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Solution

The fourth proportional to 3,218.02, 4,821.99 and 2,568.58 is: 3,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.02 : 4,821.99 = 2,568.58 : x
  2. Step 2: Convert to fraction form
    3,218.02/4,821.99 = 2,568.58/x
  3. Step 3: Cross multiply
    3,218.02x = 4,821.99 × 2,568.58
  4. Step 4: Simplify right side
    3,218.02x = 12,385,667.07
  5. Step 5: Solve for x
    x = 12,385,667.07/3,218.02
  6. Step 6: Final answer
    x = 3,848.85

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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.