Home / 2,883.67-3,979.76-1,765.35

Finding the Fourth Proportional to 2,883.67, 3,979.76 and 1,765.35

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Solution

The fourth proportional to 2,883.67, 3,979.76 and 1,765.35 is: 2,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.67 : 3,979.76 = 1,765.35 : x
  2. Step 2: Convert to fraction form
    2,883.67/3,979.76 = 1,765.35/x
  3. Step 3: Cross multiply
    2,883.67x = 3,979.76 × 1,765.35
  4. Step 4: Simplify right side
    2,883.67x = 7,025,640.59
  5. Step 5: Solve for x
    x = 7,025,640.59/2,883.67
  6. Step 6: Final answer
    x = 2,436.36

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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.