Home / 2,021.22-2,783.16-1,725.84

Finding the Fourth Proportional to 2,021.22, 2,783.16 and 1,725.84

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Solution

The fourth proportional to 2,021.22, 2,783.16 and 1,725.84 is: 2,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.22 : 2,783.16 = 1,725.84 : x
  2. Step 2: Convert to fraction form
    2,021.22/2,783.16 = 1,725.84/x
  3. Step 3: Cross multiply
    2,021.22x = 2,783.16 × 1,725.84
  4. Step 4: Simplify right side
    2,021.22x = 4,803,288.85
  5. Step 5: Solve for x
    x = 4,803,288.85/2,021.22
  6. Step 6: Final answer
    x = 2,376.43

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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.