Home / 3,189.18-4,783.78-968.03

Finding the Fourth Proportional to 3,189.18, 4,783.78 and 968.03

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Solution

The fourth proportional to 3,189.18, 4,783.78 and 968.03 is: 1,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.18 : 4,783.78 = 968.03 : x
  2. Step 2: Convert to fraction form
    3,189.18/4,783.78 = 968.03/x
  3. Step 3: Cross multiply
    3,189.18x = 4,783.78 × 968.03
  4. Step 4: Simplify right side
    3,189.18x = 4,630,832.34
  5. Step 5: Solve for x
    x = 4,630,832.34/3,189.18
  6. Step 6: Final answer
    x = 1,452.05

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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.