Home / 3,384.27-4,670.30-1,968.80

Finding the Fourth Proportional to 3,384.27, 4,670.30 and 1,968.80

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Solution

The fourth proportional to 3,384.27, 4,670.30 and 1,968.80 is: 2,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.27 : 4,670.30 = 1,968.80 : x
  2. Step 2: Convert to fraction form
    3,384.27/4,670.30 = 1,968.80/x
  3. Step 3: Cross multiply
    3,384.27x = 4,670.30 × 1,968.80
  4. Step 4: Simplify right side
    3,384.27x = 9,194,868.21
  5. Step 5: Solve for x
    x = 9,194,868.21/3,384.27
  6. Step 6: Final answer
    x = 2,716.94

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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.