Home / 3,333.30-4,619.40-3,286.32

Finding the Fourth Proportional to 3,333.30, 4,619.40 and 3,286.32

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Solution

The fourth proportional to 3,333.30, 4,619.40 and 3,286.32 is: 4,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.30 : 4,619.40 = 3,286.32 : x
  2. Step 2: Convert to fraction form
    3,333.30/4,619.40 = 3,286.32/x
  3. Step 3: Cross multiply
    3,333.30x = 4,619.40 × 3,286.32
  4. Step 4: Simplify right side
    3,333.30x = 15,180,810.18
  5. Step 5: Solve for x
    x = 15,180,810.18/3,333.30
  6. Step 6: Final answer
    x = 4,554.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.