Home / 3,405.11-4,720.84-3,284.82

Finding the Fourth Proportional to 3,405.11, 4,720.84 and 3,284.82

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Solution

The fourth proportional to 3,405.11, 4,720.84 and 3,284.82 is: 4,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.11 : 4,720.84 = 3,284.82 : x
  2. Step 2: Convert to fraction form
    3,405.11/4,720.84 = 3,284.82/x
  3. Step 3: Cross multiply
    3,405.11x = 4,720.84 × 3,284.82
  4. Step 4: Simplify right side
    3,405.11x = 15,507,101.44
  5. Step 5: Solve for x
    x = 15,507,101.44/3,405.11
  6. Step 6: Final answer
    x = 4,554.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.