Home / 2,220.11-3,063.93-1,335.89

Finding the Fourth Proportional to 2,220.11, 3,063.93 and 1,335.89

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Solution

The fourth proportional to 2,220.11, 3,063.93 and 1,335.89 is: 1,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.11 : 3,063.93 = 1,335.89 : x
  2. Step 2: Convert to fraction form
    2,220.11/3,063.93 = 1,335.89/x
  3. Step 3: Cross multiply
    2,220.11x = 3,063.93 × 1,335.89
  4. Step 4: Simplify right side
    2,220.11x = 4,093,076.10
  5. Step 5: Solve for x
    x = 4,093,076.10/2,220.11
  6. Step 6: Final answer
    x = 1,843.64

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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.