Home / 2,945.30-4,064.13-1,765.94

Finding the Fourth Proportional to 2,945.30, 4,064.13 and 1,765.94

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Solution

The fourth proportional to 2,945.30, 4,064.13 and 1,765.94 is: 2,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.30 : 4,064.13 = 1,765.94 : x
  2. Step 2: Convert to fraction form
    2,945.30/4,064.13 = 1,765.94/x
  3. Step 3: Cross multiply
    2,945.30x = 4,064.13 × 1,765.94
  4. Step 4: Simplify right side
    2,945.30x = 7,177,009.73
  5. Step 5: Solve for x
    x = 7,177,009.73/2,945.30
  6. Step 6: Final answer
    x = 2,436.77

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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.