Home / 3,074.36-4,242.44-1,747.88

Finding the Fourth Proportional to 3,074.36, 4,242.44 and 1,747.88

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Solution

The fourth proportional to 3,074.36, 4,242.44 and 1,747.88 is: 2,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.36 : 4,242.44 = 1,747.88 : x
  2. Step 2: Convert to fraction form
    3,074.36/4,242.44 = 1,747.88/x
  3. Step 3: Cross multiply
    3,074.36x = 4,242.44 × 1,747.88
  4. Step 4: Simplify right side
    3,074.36x = 7,415,276.03
  5. Step 5: Solve for x
    x = 7,415,276.03/3,074.36
  6. Step 6: Final answer
    x = 2,411.97

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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.