Home / 3,778.16-5,667.18-1,556.54

Finding the Fourth Proportional to 3,778.16, 5,667.18 and 1,556.54

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Solution

The fourth proportional to 3,778.16, 5,667.18 and 1,556.54 is: 2,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.16 : 5,667.18 = 1,556.54 : x
  2. Step 2: Convert to fraction form
    3,778.16/5,667.18 = 1,556.54/x
  3. Step 3: Cross multiply
    3,778.16x = 5,667.18 × 1,556.54
  4. Step 4: Simplify right side
    3,778.16x = 8,821,192.36
  5. Step 5: Solve for x
    x = 8,821,192.36/3,778.16
  6. Step 6: Final answer
    x = 2,334.79

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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.