Home / 3,852.12-5,778.24-1,219.59

Finding the Fourth Proportional to 3,852.12, 5,778.24 and 1,219.59

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Solution

The fourth proportional to 3,852.12, 5,778.24 and 1,219.59 is: 1,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.12 : 5,778.24 = 1,219.59 : x
  2. Step 2: Convert to fraction form
    3,852.12/5,778.24 = 1,219.59/x
  3. Step 3: Cross multiply
    3,852.12x = 5,778.24 × 1,219.59
  4. Step 4: Simplify right side
    3,852.12x = 7,047,083.72
  5. Step 5: Solve for x
    x = 7,047,083.72/3,852.12
  6. Step 6: Final answer
    x = 1,829.40

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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.