Home / 3,538.89-5,308.32-1,230.39

Finding the Fourth Proportional to 3,538.89, 5,308.32 and 1,230.39

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Solution

The fourth proportional to 3,538.89, 5,308.32 and 1,230.39 is: 1,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.89 : 5,308.32 = 1,230.39 : x
  2. Step 2: Convert to fraction form
    3,538.89/5,308.32 = 1,230.39/x
  3. Step 3: Cross multiply
    3,538.89x = 5,308.32 × 1,230.39
  4. Step 4: Simplify right side
    3,538.89x = 6,531,303.84
  5. Step 5: Solve for x
    x = 6,531,303.84/3,538.89
  6. Step 6: Final answer
    x = 1,845.58

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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.