Home / 2,883.96-3,979.22-1,705

Finding the Fourth Proportional to 2,883.96, 3,979.22 and 1,705

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Solution

The fourth proportional to 2,883.96, 3,979.22 and 1,705 is: 2,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.96 : 3,979.22 = 1,705 : x
  2. Step 2: Convert to fraction form
    2,883.96/3,979.22 = 1,705/x
  3. Step 3: Cross multiply
    2,883.96x = 3,979.22 × 1,705
  4. Step 4: Simplify right side
    2,883.96x = 6,784,570.10
  5. Step 5: Solve for x
    x = 6,784,570.10/2,883.96
  6. Step 6: Final answer
    x = 2,352.52

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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.