Home / 2,193.16-3,290.35-1,219.94

Finding the Fourth Proportional to 2,193.16, 3,290.35 and 1,219.94

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Solution

The fourth proportional to 2,193.16, 3,290.35 and 1,219.94 is: 1,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.16 : 3,290.35 = 1,219.94 : x
  2. Step 2: Convert to fraction form
    2,193.16/3,290.35 = 1,219.94/x
  3. Step 3: Cross multiply
    2,193.16x = 3,290.35 × 1,219.94
  4. Step 4: Simplify right side
    2,193.16x = 4,014,034.76
  5. Step 5: Solve for x
    x = 4,014,034.76/2,193.16
  6. Step 6: Final answer
    x = 1,830.25

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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.