Home / 2,218.30-3,325.83-1,486.33

Finding the Fourth Proportional to 2,218.30, 3,325.83 and 1,486.33

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Solution

The fourth proportional to 2,218.30, 3,325.83 and 1,486.33 is: 2,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.30 : 3,325.83 = 1,486.33 : x
  2. Step 2: Convert to fraction form
    2,218.30/3,325.83 = 1,486.33/x
  3. Step 3: Cross multiply
    2,218.30x = 3,325.83 × 1,486.33
  4. Step 4: Simplify right side
    2,218.30x = 4,943,280.90
  5. Step 5: Solve for x
    x = 4,943,280.90/2,218.30
  6. Step 6: Final answer
    x = 2,228.41

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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.