Home / 2,808.24-4,212.09-1,884.30

Finding the Fourth Proportional to 2,808.24, 4,212.09 and 1,884.30

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Solution

The fourth proportional to 2,808.24, 4,212.09 and 1,884.30 is: 2,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.24 : 4,212.09 = 1,884.30 : x
  2. Step 2: Convert to fraction form
    2,808.24/4,212.09 = 1,884.30/x
  3. Step 3: Cross multiply
    2,808.24x = 4,212.09 × 1,884.30
  4. Step 4: Simplify right side
    2,808.24x = 7,936,841.19
  5. Step 5: Solve for x
    x = 7,936,841.19/2,808.24
  6. Step 6: Final answer
    x = 2,826.27

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1.5x scale

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.