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Finding the Fourth Proportional to 3,007.62, 4,148.71 and 1,945.03

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Solution

The fourth proportional to 3,007.62, 4,148.71 and 1,945.03 is: 2,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.62 : 4,148.71 = 1,945.03 : x
  2. Step 2: Convert to fraction form
    3,007.62/4,148.71 = 1,945.03/x
  3. Step 3: Cross multiply
    3,007.62x = 4,148.71 × 1,945.03
  4. Step 4: Simplify right side
    3,007.62x = 8,069,365.41
  5. Step 5: Solve for x
    x = 8,069,365.41/3,007.62
  6. Step 6: Final answer
    x = 2,682.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.