Home / 4,284.80-6,428.60-2,734.48

Finding the Fourth Proportional to 4,284.80, 6,428.60 and 2,734.48

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Solution

The fourth proportional to 4,284.80, 6,428.60 and 2,734.48 is: 4,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.80 : 6,428.60 = 2,734.48 : x
  2. Step 2: Convert to fraction form
    4,284.80/6,428.60 = 2,734.48/x
  3. Step 3: Cross multiply
    4,284.80x = 6,428.60 × 2,734.48
  4. Step 4: Simplify right side
    4,284.80x = 17,578,878.13
  5. Step 5: Solve for x
    x = 17,578,878.13/4,284.80
  6. Step 6: Final answer
    x = 4,102.61

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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.