Home / 2,785.94-3,845.16-1,606.85

Finding the Fourth Proportional to 2,785.94, 3,845.16 and 1,606.85

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Solution

The fourth proportional to 2,785.94, 3,845.16 and 1,606.85 is: 2,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.94 : 3,845.16 = 1,606.85 : x
  2. Step 2: Convert to fraction form
    2,785.94/3,845.16 = 1,606.85/x
  3. Step 3: Cross multiply
    2,785.94x = 3,845.16 × 1,606.85
  4. Step 4: Simplify right side
    2,785.94x = 6,178,576.12
  5. Step 5: Solve for x
    x = 6,178,576.12/2,785.94
  6. Step 6: Final answer
    x = 2,217.77

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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.