Home / 3,426.57-4,728.88-1,933.94

Finding the Fourth Proportional to 3,426.57, 4,728.88 and 1,933.94

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Solution

The fourth proportional to 3,426.57, 4,728.88 and 1,933.94 is: 2,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.57 : 4,728.88 = 1,933.94 : x
  2. Step 2: Convert to fraction form
    3,426.57/4,728.88 = 1,933.94/x
  3. Step 3: Cross multiply
    3,426.57x = 4,728.88 × 1,933.94
  4. Step 4: Simplify right side
    3,426.57x = 9,145,370.19
  5. Step 5: Solve for x
    x = 9,145,370.19/3,426.57
  6. Step 6: Final answer
    x = 2,668.96

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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.