Home / 3,363.54-4,639.71-2,185.39

Finding the Fourth Proportional to 3,363.54, 4,639.71 and 2,185.39

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Solution

The fourth proportional to 3,363.54, 4,639.71 and 2,185.39 is: 3,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.54 : 4,639.71 = 2,185.39 : x
  2. Step 2: Convert to fraction form
    3,363.54/4,639.71 = 2,185.39/x
  3. Step 3: Cross multiply
    3,363.54x = 4,639.71 × 2,185.39
  4. Step 4: Simplify right side
    3,363.54x = 10,139,575.84
  5. Step 5: Solve for x
    x = 10,139,575.84/3,363.54
  6. Step 6: Final answer
    x = 3,014.55

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1.5x scale

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.