Home / 3,182.27-4,391.28-1,784.75

Finding the Fourth Proportional to 3,182.27, 4,391.28 and 1,784.75

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Solution

The fourth proportional to 3,182.27, 4,391.28 and 1,784.75 is: 2,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.27 : 4,391.28 = 1,784.75 : x
  2. Step 2: Convert to fraction form
    3,182.27/4,391.28 = 1,784.75/x
  3. Step 3: Cross multiply
    3,182.27x = 4,391.28 × 1,784.75
  4. Step 4: Simplify right side
    3,182.27x = 7,837,336.98
  5. Step 5: Solve for x
    x = 7,837,336.98/3,182.27
  6. Step 6: Final answer
    x = 2,462.81

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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.