Home / 3,239.12-4,858.44-1,291.76

Finding the Fourth Proportional to 3,239.12, 4,858.44 and 1,291.76

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Solution

The fourth proportional to 3,239.12, 4,858.44 and 1,291.76 is: 1,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.12 : 4,858.44 = 1,291.76 : x
  2. Step 2: Convert to fraction form
    3,239.12/4,858.44 = 1,291.76/x
  3. Step 3: Cross multiply
    3,239.12x = 4,858.44 × 1,291.76
  4. Step 4: Simplify right side
    3,239.12x = 6,275,938.45
  5. Step 5: Solve for x
    x = 6,275,938.45/3,239.12
  6. Step 6: Final answer
    x = 1,937.54

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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.