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Finding the Fourth Proportional to 3,019.92, 4,530.36 and 968.08

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Solution

The fourth proportional to 3,019.92, 4,530.36 and 968.08 is: 1,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.92 : 4,530.36 = 968.08 : x
  2. Step 2: Convert to fraction form
    3,019.92/4,530.36 = 968.08/x
  3. Step 3: Cross multiply
    3,019.92x = 4,530.36 × 968.08
  4. Step 4: Simplify right side
    3,019.92x = 4,385,750.91
  5. Step 5: Solve for x
    x = 4,385,750.91/3,019.92
  6. Step 6: Final answer
    x = 1,452.27

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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.