Home / 3,924.45-5,418.36-2,434.59

Finding the Fourth Proportional to 3,924.45, 5,418.36 and 2,434.59

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Solution

The fourth proportional to 3,924.45, 5,418.36 and 2,434.59 is: 3,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.45 : 5,418.36 = 2,434.59 : x
  2. Step 2: Convert to fraction form
    3,924.45/5,418.36 = 2,434.59/x
  3. Step 3: Cross multiply
    3,924.45x = 5,418.36 × 2,434.59
  4. Step 4: Simplify right side
    3,924.45x = 13,191,485.07
  5. Step 5: Solve for x
    x = 13,191,485.07/3,924.45
  6. Step 6: Final answer
    x = 3,361.36

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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.