Home / 3,554.24-5,305.80-2,822.80

Finding the Fourth Proportional to 3,554.24, 5,305.80 and 2,822.80

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Solution

The fourth proportional to 3,554.24, 5,305.80 and 2,822.80 is: 4,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.24 : 5,305.80 = 2,822.80 : x
  2. Step 2: Convert to fraction form
    3,554.24/5,305.80 = 2,822.80/x
  3. Step 3: Cross multiply
    3,554.24x = 5,305.80 × 2,822.80
  4. Step 4: Simplify right side
    3,554.24x = 14,977,212.24
  5. Step 5: Solve for x
    x = 14,977,212.24/3,554.24
  6. Step 6: Final answer
    x = 4,213.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.