Home / 3,548.36-4,896.72-1,976.45

Finding the Fourth Proportional to 3,548.36, 4,896.72 and 1,976.45

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Solution

The fourth proportional to 3,548.36, 4,896.72 and 1,976.45 is: 2,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.36 : 4,896.72 = 1,976.45 : x
  2. Step 2: Convert to fraction form
    3,548.36/4,896.72 = 1,976.45/x
  3. Step 3: Cross multiply
    3,548.36x = 4,896.72 × 1,976.45
  4. Step 4: Simplify right side
    3,548.36x = 9,678,097.76
  5. Step 5: Solve for x
    x = 9,678,097.76/3,548.36
  6. Step 6: Final answer
    x = 2,727.49

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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.