Home / 3,778.50-5,667.95-1,181.64

Finding the Fourth Proportional to 3,778.50, 5,667.95 and 1,181.64

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Solution

The fourth proportional to 3,778.50, 5,667.95 and 1,181.64 is: 1,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.50 : 5,667.95 = 1,181.64 : x
  2. Step 2: Convert to fraction form
    3,778.50/5,667.95 = 1,181.64/x
  3. Step 3: Cross multiply
    3,778.50x = 5,667.95 × 1,181.64
  4. Step 4: Simplify right side
    3,778.50x = 6,697,479.39
  5. Step 5: Solve for x
    x = 6,697,479.39/3,778.50
  6. Step 6: Final answer
    x = 1,772.52

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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.