Home / 2,220.09-3,063.95-1,335.87

Finding the Fourth Proportional to 2,220.09, 3,063.95 and 1,335.87

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Solution

The fourth proportional to 2,220.09, 3,063.95 and 1,335.87 is: 1,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.09 : 3,063.95 = 1,335.87 : x
  2. Step 2: Convert to fraction form
    2,220.09/3,063.95 = 1,335.87/x
  3. Step 3: Cross multiply
    2,220.09x = 3,063.95 × 1,335.87
  4. Step 4: Simplify right side
    2,220.09x = 4,093,032.21
  5. Step 5: Solve for x
    x = 4,093,032.21/2,220.09
  6. Step 6: Final answer
    x = 1,843.63

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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.