Home / 1,961.96-2,927.78-1,743.80

Finding the Fourth Proportional to 1,961.96, 2,927.78 and 1,743.80

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Solution

The fourth proportional to 1,961.96, 2,927.78 and 1,743.80 is: 2,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.96 : 2,927.78 = 1,743.80 : x
  2. Step 2: Convert to fraction form
    1,961.96/2,927.78 = 1,743.80/x
  3. Step 3: Cross multiply
    1,961.96x = 2,927.78 × 1,743.80
  4. Step 4: Simplify right side
    1,961.96x = 5,105,462.76
  5. Step 5: Solve for x
    x = 5,105,462.76/1,961.96
  6. Step 6: Final answer
    x = 2,602.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.