Home / 2,945.96-4,065.56-1,767.41

Finding the Fourth Proportional to 2,945.96, 4,065.56 and 1,767.41

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Solution

The fourth proportional to 2,945.96, 4,065.56 and 1,767.41 is: 2,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.96 : 4,065.56 = 1,767.41 : x
  2. Step 2: Convert to fraction form
    2,945.96/4,065.56 = 1,767.41/x
  3. Step 3: Cross multiply
    2,945.96x = 4,065.56 × 1,767.41
  4. Step 4: Simplify right side
    2,945.96x = 7,185,511.40
  5. Step 5: Solve for x
    x = 7,185,511.40/2,945.96
  6. Step 6: Final answer
    x = 2,439.11

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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.