Home / 3,638.58-5,458.44-1,558.59

Finding the Fourth Proportional to 3,638.58, 5,458.44 and 1,558.59

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Solution

The fourth proportional to 3,638.58, 5,458.44 and 1,558.59 is: 2,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.58 : 5,458.44 = 1,558.59 : x
  2. Step 2: Convert to fraction form
    3,638.58/5,458.44 = 1,558.59/x
  3. Step 3: Cross multiply
    3,638.58x = 5,458.44 × 1,558.59
  4. Step 4: Simplify right side
    3,638.58x = 8,507,470.00
  5. Step 5: Solve for x
    x = 8,507,470.00/3,638.58
  6. Step 6: Final answer
    x = 2,338.13

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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.