Home / 3,288.56-4,538.40-1,891.52

Finding the Fourth Proportional to 3,288.56, 4,538.40 and 1,891.52

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Solution

The fourth proportional to 3,288.56, 4,538.40 and 1,891.52 is: 2,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.56 : 4,538.40 = 1,891.52 : x
  2. Step 2: Convert to fraction form
    3,288.56/4,538.40 = 1,891.52/x
  3. Step 3: Cross multiply
    3,288.56x = 4,538.40 × 1,891.52
  4. Step 4: Simplify right side
    3,288.56x = 8,584,474.37
  5. Step 5: Solve for x
    x = 8,584,474.37/3,288.56
  6. Step 6: Final answer
    x = 2,610.41

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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.