Home / 3,829.10-5,284.42-2,235.64

Finding the Fourth Proportional to 3,829.10, 5,284.42 and 2,235.64

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Solution

The fourth proportional to 3,829.10, 5,284.42 and 2,235.64 is: 3,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.10 : 5,284.42 = 2,235.64 : x
  2. Step 2: Convert to fraction form
    3,829.10/5,284.42 = 2,235.64/x
  3. Step 3: Cross multiply
    3,829.10x = 5,284.42 × 2,235.64
  4. Step 4: Simplify right side
    3,829.10x = 11,814,060.73
  5. Step 5: Solve for x
    x = 11,814,060.73/3,829.10
  6. Step 6: Final answer
    x = 3,085.34

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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.