Home / 3,297.63-4,548.83-2,178.75

Finding the Fourth Proportional to 3,297.63, 4,548.83 and 2,178.75

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Solution

The fourth proportional to 3,297.63, 4,548.83 and 2,178.75 is: 3,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.63 : 4,548.83 = 2,178.75 : x
  2. Step 2: Convert to fraction form
    3,297.63/4,548.83 = 2,178.75/x
  3. Step 3: Cross multiply
    3,297.63x = 4,548.83 × 2,178.75
  4. Step 4: Simplify right side
    3,297.63x = 9,910,746.07
  5. Step 5: Solve for x
    x = 9,910,746.07/3,297.63
  6. Step 6: Final answer
    x = 3,005.42

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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.