Home / 3,238.08-4,856.85-1,290.39

Finding the Fourth Proportional to 3,238.08, 4,856.85 and 1,290.39

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Solution

The fourth proportional to 3,238.08, 4,856.85 and 1,290.39 is: 1,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.08 : 4,856.85 = 1,290.39 : x
  2. Step 2: Convert to fraction form
    3,238.08/4,856.85 = 1,290.39/x
  3. Step 3: Cross multiply
    3,238.08x = 4,856.85 × 1,290.39
  4. Step 4: Simplify right side
    3,238.08x = 6,267,230.67
  5. Step 5: Solve for x
    x = 6,267,230.67/3,238.08
  6. Step 6: Final answer
    x = 1,935.48

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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.