Home / 3,219.19-4,442.55-2,511.84

Finding the Fourth Proportional to 3,219.19, 4,442.55 and 2,511.84

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Solution

The fourth proportional to 3,219.19, 4,442.55 and 2,511.84 is: 3,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.19 : 4,442.55 = 2,511.84 : x
  2. Step 2: Convert to fraction form
    3,219.19/4,442.55 = 2,511.84/x
  3. Step 3: Cross multiply
    3,219.19x = 4,442.55 × 2,511.84
  4. Step 4: Simplify right side
    3,219.19x = 11,158,974.79
  5. Step 5: Solve for x
    x = 11,158,974.79/3,219.19
  6. Step 6: Final answer
    x = 3,466.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.