Home / 3,238.03-4,468.35-1,821.70

Finding the Fourth Proportional to 3,238.03, 4,468.35 and 1,821.70

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Solution

The fourth proportional to 3,238.03, 4,468.35 and 1,821.70 is: 2,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.03 : 4,468.35 = 1,821.70 : x
  2. Step 2: Convert to fraction form
    3,238.03/4,468.35 = 1,821.70/x
  3. Step 3: Cross multiply
    3,238.03x = 4,468.35 × 1,821.70
  4. Step 4: Simplify right side
    3,238.03x = 8,139,993.20
  5. Step 5: Solve for x
    x = 8,139,993.20/3,238.03
  6. Step 6: Final answer
    x = 2,513.87

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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.