Home / 1,769.46-2,654.19-1,219.98

Finding the Fourth Proportional to 1,769.46, 2,654.19 and 1,219.98

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Solution

The fourth proportional to 1,769.46, 2,654.19 and 1,219.98 is: 1,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.46 : 2,654.19 = 1,219.98 : x
  2. Step 2: Convert to fraction form
    1,769.46/2,654.19 = 1,219.98/x
  3. Step 3: Cross multiply
    1,769.46x = 2,654.19 × 1,219.98
  4. Step 4: Simplify right side
    1,769.46x = 3,238,058.72
  5. Step 5: Solve for x
    x = 3,238,058.72/1,769.46
  6. Step 6: Final answer
    x = 1,829.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.