Home / 3,456.54-4,769.40-1,943.66

Finding the Fourth Proportional to 3,456.54, 4,769.40 and 1,943.66

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Solution

The fourth proportional to 3,456.54, 4,769.40 and 1,943.66 is: 2,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.54 : 4,769.40 = 1,943.66 : x
  2. Step 2: Convert to fraction form
    3,456.54/4,769.40 = 1,943.66/x
  3. Step 3: Cross multiply
    3,456.54x = 4,769.40 × 1,943.66
  4. Step 4: Simplify right side
    3,456.54x = 9,270,082.29
  5. Step 5: Solve for x
    x = 9,270,082.29/3,456.54
  6. Step 6: Final answer
    x = 2,681.90

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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.