Home / 2,938.35-4,409.69-1,764.66

Finding the Fourth Proportional to 2,938.35, 4,409.69 and 1,764.66

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Solution

The fourth proportional to 2,938.35, 4,409.69 and 1,764.66 is: 2,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.35 : 4,409.69 = 1,764.66 : x
  2. Step 2: Convert to fraction form
    2,938.35/4,409.69 = 1,764.66/x
  3. Step 3: Cross multiply
    2,938.35x = 4,409.69 × 1,764.66
  4. Step 4: Simplify right side
    2,938.35x = 7,781,594.73
  5. Step 5: Solve for x
    x = 7,781,594.73/2,938.35
  6. Step 6: Final answer
    x = 2,648.29

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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.