Home / 3,426.32-4,728.53-1,933.69

Finding the Fourth Proportional to 3,426.32, 4,728.53 and 1,933.69

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Solution

The fourth proportional to 3,426.32, 4,728.53 and 1,933.69 is: 2,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.32 : 4,728.53 = 1,933.69 : x
  2. Step 2: Convert to fraction form
    3,426.32/4,728.53 = 1,933.69/x
  3. Step 3: Cross multiply
    3,426.32x = 4,728.53 × 1,933.69
  4. Step 4: Simplify right side
    3,426.32x = 9,143,511.18
  5. Step 5: Solve for x
    x = 9,143,511.18/3,426.32
  6. Step 6: Final answer
    x = 2,668.61

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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.