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Finding the Fourth Proportional to 3,048.78, 4,573.56 and 968.05

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Solution

The fourth proportional to 3,048.78, 4,573.56 and 968.05 is: 1,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.78 : 4,573.56 = 968.05 : x
  2. Step 2: Convert to fraction form
    3,048.78/4,573.56 = 968.05/x
  3. Step 3: Cross multiply
    3,048.78x = 4,573.56 × 968.05
  4. Step 4: Simplify right side
    3,048.78x = 4,427,418.38
  5. Step 5: Solve for x
    x = 4,427,418.38/3,048.78
  6. Step 6: Final answer
    x = 1,452.19

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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.