Home / 3,235.36-4,466.49-2,178.68

Finding the Fourth Proportional to 3,235.36, 4,466.49 and 2,178.68

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Solution

The fourth proportional to 3,235.36, 4,466.49 and 2,178.68 is: 3,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.36 : 4,466.49 = 2,178.68 : x
  2. Step 2: Convert to fraction form
    3,235.36/4,466.49 = 2,178.68/x
  3. Step 3: Cross multiply
    3,235.36x = 4,466.49 × 2,178.68
  4. Step 4: Simplify right side
    3,235.36x = 9,731,052.43
  5. Step 5: Solve for x
    x = 9,731,052.43/3,235.36
  6. Step 6: Final answer
    x = 3,007.72

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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.