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Finding the Fourth Proportional to 3,048.77, 4,208.09 and 1,723.25

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Solution

The fourth proportional to 3,048.77, 4,208.09 and 1,723.25 is: 2,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.77 : 4,208.09 = 1,723.25 : x
  2. Step 2: Convert to fraction form
    3,048.77/4,208.09 = 1,723.25/x
  3. Step 3: Cross multiply
    3,048.77x = 4,208.09 × 1,723.25
  4. Step 4: Simplify right side
    3,048.77x = 7,251,591.09
  5. Step 5: Solve for x
    x = 7,251,591.09/3,048.77
  6. Step 6: Final answer
    x = 2,378.53

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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.