Home / 2,841.51-3,921.56-1,662.96

Finding the Fourth Proportional to 2,841.51, 3,921.56 and 1,662.96

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Solution

The fourth proportional to 2,841.51, 3,921.56 and 1,662.96 is: 2,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.51 : 3,921.56 = 1,662.96 : x
  2. Step 2: Convert to fraction form
    2,841.51/3,921.56 = 1,662.96/x
  3. Step 3: Cross multiply
    2,841.51x = 3,921.56 × 1,662.96
  4. Step 4: Simplify right side
    2,841.51x = 6,521,389.10
  5. Step 5: Solve for x
    x = 6,521,389.10/2,841.51
  6. Step 6: Final answer
    x = 2,295.04

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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.