Home / 3,925.20-5,418.48-2,596.56

Finding the Fourth Proportional to 3,925.20, 5,418.48 and 2,596.56

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Solution

The fourth proportional to 3,925.20, 5,418.48 and 2,596.56 is: 3,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.20 : 5,418.48 = 2,596.56 : x
  2. Step 2: Convert to fraction form
    3,925.20/5,418.48 = 2,596.56/x
  3. Step 3: Cross multiply
    3,925.20x = 5,418.48 × 2,596.56
  4. Step 4: Simplify right side
    3,925.20x = 14,069,408.43
  5. Step 5: Solve for x
    x = 14,069,408.43/3,925.20
  6. Step 6: Final answer
    x = 3,584.38

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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.