Home / 2,828.74-4,235.18-2,133.22

Finding the Fourth Proportional to 2,828.74, 4,235.18 and 2,133.22

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Solution

The fourth proportional to 2,828.74, 4,235.18 and 2,133.22 is: 3,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.74 : 4,235.18 = 2,133.22 : x
  2. Step 2: Convert to fraction form
    2,828.74/4,235.18 = 2,133.22/x
  3. Step 3: Cross multiply
    2,828.74x = 4,235.18 × 2,133.22
  4. Step 4: Simplify right side
    2,828.74x = 9,034,560.01
  5. Step 5: Solve for x
    x = 9,034,560.01/2,828.74
  6. Step 6: Final answer
    x = 3,193.85

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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.