Home / 3,271.97-4,911.59-1,628.07

Finding the Fourth Proportional to 3,271.97, 4,911.59 and 1,628.07

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Solution

The fourth proportional to 3,271.97, 4,911.59 and 1,628.07 is: 2,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.97 : 4,911.59 = 1,628.07 : x
  2. Step 2: Convert to fraction form
    3,271.97/4,911.59 = 1,628.07/x
  3. Step 3: Cross multiply
    3,271.97x = 4,911.59 × 1,628.07
  4. Step 4: Simplify right side
    3,271.97x = 7,996,412.33
  5. Step 5: Solve for x
    x = 7,996,412.33/3,271.97
  6. Step 6: Final answer
    x = 2,443.92

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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.