Home / 2,883.48-3,979.30-1,705.56

Finding the Fourth Proportional to 2,883.48, 3,979.30 and 1,705.56

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Solution

The fourth proportional to 2,883.48, 3,979.30 and 1,705.56 is: 2,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.48 : 3,979.30 = 1,705.56 : x
  2. Step 2: Convert to fraction form
    2,883.48/3,979.30 = 1,705.56/x
  3. Step 3: Cross multiply
    2,883.48x = 3,979.30 × 1,705.56
  4. Step 4: Simplify right side
    2,883.48x = 6,786,934.91
  5. Step 5: Solve for x
    x = 6,786,934.91/2,883.48
  6. Step 6: Final answer
    x = 2,353.73

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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.