Home / 3,208.82-4,813.02-1,358.78

Finding the Fourth Proportional to 3,208.82, 4,813.02 and 1,358.78

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Solution

The fourth proportional to 3,208.82, 4,813.02 and 1,358.78 is: 2,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.82 : 4,813.02 = 1,358.78 : x
  2. Step 2: Convert to fraction form
    3,208.82/4,813.02 = 1,358.78/x
  3. Step 3: Cross multiply
    3,208.82x = 4,813.02 × 1,358.78
  4. Step 4: Simplify right side
    3,208.82x = 6,539,811.25
  5. Step 5: Solve for x
    x = 6,539,811.25/3,208.82
  6. Step 6: Final answer
    x = 2,038.08

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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.