Home / 3,279.80-4,525.80-1,935.38

Finding the Fourth Proportional to 3,279.80, 4,525.80 and 1,935.38

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Solution

The fourth proportional to 3,279.80, 4,525.80 and 1,935.38 is: 2,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.80 : 4,525.80 = 1,935.38 : x
  2. Step 2: Convert to fraction form
    3,279.80/4,525.80 = 1,935.38/x
  3. Step 3: Cross multiply
    3,279.80x = 4,525.80 × 1,935.38
  4. Step 4: Simplify right side
    3,279.80x = 8,759,142.80
  5. Step 5: Solve for x
    x = 8,759,142.80/3,279.80
  6. Step 6: Final answer
    x = 2,670.63

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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.