Home / 2,193.45-3,021.84-1,529.13

Finding the Fourth Proportional to 2,193.45, 3,021.84 and 1,529.13

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Solution

The fourth proportional to 2,193.45, 3,021.84 and 1,529.13 is: 2,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.45 : 3,021.84 = 1,529.13 : x
  2. Step 2: Convert to fraction form
    2,193.45/3,021.84 = 1,529.13/x
  3. Step 3: Cross multiply
    2,193.45x = 3,021.84 × 1,529.13
  4. Step 4: Simplify right side
    2,193.45x = 4,620,786.20
  5. Step 5: Solve for x
    x = 4,620,786.20/2,193.45
  6. Step 6: Final answer
    x = 2,106.63

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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.