Home / 2,383.72-3,286.08-1,673.40

Finding the Fourth Proportional to 2,383.72, 3,286.08 and 1,673.40

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Solution

The fourth proportional to 2,383.72, 3,286.08 and 1,673.40 is: 2,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.72 : 3,286.08 = 1,673.40 : x
  2. Step 2: Convert to fraction form
    2,383.72/3,286.08 = 1,673.40/x
  3. Step 3: Cross multiply
    2,383.72x = 3,286.08 × 1,673.40
  4. Step 4: Simplify right side
    2,383.72x = 5,498,917.84
  5. Step 5: Solve for x
    x = 5,498,917.84/2,383.72
  6. Step 6: Final answer
    x = 2,306.87

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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.