Home / 3,923.12-5,418.16-2,434.59

Finding the Fourth Proportional to 3,923.12, 5,418.16 and 2,434.59

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Solution

The fourth proportional to 3,923.12, 5,418.16 and 2,434.59 is: 3,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.12 : 5,418.16 = 2,434.59 : x
  2. Step 2: Convert to fraction form
    3,923.12/5,418.16 = 2,434.59/x
  3. Step 3: Cross multiply
    3,923.12x = 5,418.16 × 2,434.59
  4. Step 4: Simplify right side
    3,923.12x = 13,190,992.07
  5. Step 5: Solve for x
    x = 13,190,992.07/3,923.12
  6. Step 6: Final answer
    x = 3,362.37

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1.5x scale

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.