Home / 3,290.67-4,936.41-1,210.32

Finding the Fourth Proportional to 3,290.67, 4,936.41 and 1,210.32

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Solution

The fourth proportional to 3,290.67, 4,936.41 and 1,210.32 is: 1,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.67 : 4,936.41 = 1,210.32 : x
  2. Step 2: Convert to fraction form
    3,290.67/4,936.41 = 1,210.32/x
  3. Step 3: Cross multiply
    3,290.67x = 4,936.41 × 1,210.32
  4. Step 4: Simplify right side
    3,290.67x = 5,974,635.75
  5. Step 5: Solve for x
    x = 5,974,635.75/3,290.67
  6. Step 6: Final answer
    x = 1,815.63

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1.5x scale

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.