Home / 3,284.54-4,531.85-2,107.21

Finding the Fourth Proportional to 3,284.54, 4,531.85 and 2,107.21

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Solution

The fourth proportional to 3,284.54, 4,531.85 and 2,107.21 is: 2,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.54 : 4,531.85 = 2,107.21 : x
  2. Step 2: Convert to fraction form
    3,284.54/4,531.85 = 2,107.21/x
  3. Step 3: Cross multiply
    3,284.54x = 4,531.85 × 2,107.21
  4. Step 4: Simplify right side
    3,284.54x = 9,549,526.44
  5. Step 5: Solve for x
    x = 9,549,526.44/3,284.54
  6. Step 6: Final answer
    x = 2,907.42

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1.5x scale

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.