Home / 3,281.63-4,522.37-2,100.65

Finding the Fourth Proportional to 3,281.63, 4,522.37 and 2,100.65

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Solution

The fourth proportional to 3,281.63, 4,522.37 and 2,100.65 is: 2,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.63 : 4,522.37 = 2,100.65 : x
  2. Step 2: Convert to fraction form
    3,281.63/4,522.37 = 2,100.65/x
  3. Step 3: Cross multiply
    3,281.63x = 4,522.37 × 2,100.65
  4. Step 4: Simplify right side
    3,281.63x = 9,499,883.43
  5. Step 5: Solve for x
    x = 9,499,883.43/3,281.63
  6. Step 6: Final answer
    x = 2,894.87

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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.