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Finding the Fourth Proportional to 2,945.36, 4,418.04 and 997.04

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Solution

The fourth proportional to 2,945.36, 4,418.04 and 997.04 is: 1,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.36 : 4,418.04 = 997.04 : x
  2. Step 2: Convert to fraction form
    2,945.36/4,418.04 = 997.04/x
  3. Step 3: Cross multiply
    2,945.36x = 4,418.04 × 997.04
  4. Step 4: Simplify right side
    2,945.36x = 4,404,962.60
  5. Step 5: Solve for x
    x = 4,404,962.60/2,945.36
  6. Step 6: Final answer
    x = 1,495.56

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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.