Home / 3,542.48-5,313.73-945.42

Finding the Fourth Proportional to 3,542.48, 5,313.73 and 945.42

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Solution

The fourth proportional to 3,542.48, 5,313.73 and 945.42 is: 1,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.48 : 5,313.73 = 945.42 : x
  2. Step 2: Convert to fraction form
    3,542.48/5,313.73 = 945.42/x
  3. Step 3: Cross multiply
    3,542.48x = 5,313.73 × 945.42
  4. Step 4: Simplify right side
    3,542.48x = 5,023,713.33
  5. Step 5: Solve for x
    x = 5,023,713.33/3,542.48
  6. Step 6: Final answer
    x = 1,418.13

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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.