Home / 3,945.38-5,918.06-1,023.69

Finding the Fourth Proportional to 3,945.38, 5,918.06 and 1,023.69

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Solution

The fourth proportional to 3,945.38, 5,918.06 and 1,023.69 is: 1,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.38 : 5,918.06 = 1,023.69 : x
  2. Step 2: Convert to fraction form
    3,945.38/5,918.06 = 1,023.69/x
  3. Step 3: Cross multiply
    3,945.38x = 5,918.06 × 1,023.69
  4. Step 4: Simplify right side
    3,945.38x = 6,058,253.72
  5. Step 5: Solve for x
    x = 6,058,253.72/3,945.38
  6. Step 6: Final answer
    x = 1,535.53

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1.5x scale

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.