Home / 3,456.95-4,769.23-2,128.35

Finding the Fourth Proportional to 3,456.95, 4,769.23 and 2,128.35

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Solution

The fourth proportional to 3,456.95, 4,769.23 and 2,128.35 is: 2,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.95 : 4,769.23 = 2,128.35 : x
  2. Step 2: Convert to fraction form
    3,456.95/4,769.23 = 2,128.35/x
  3. Step 3: Cross multiply
    3,456.95x = 4,769.23 × 2,128.35
  4. Step 4: Simplify right side
    3,456.95x = 10,150,590.67
  5. Step 5: Solve for x
    x = 10,150,590.67/3,456.95
  6. Step 6: Final answer
    x = 2,936.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.