Home / 3,942.21-5,435.26-2,597.61

Finding the Fourth Proportional to 3,942.21, 5,435.26 and 2,597.61

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Solution

The fourth proportional to 3,942.21, 5,435.26 and 2,597.61 is: 3,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.21 : 5,435.26 = 2,597.61 : x
  2. Step 2: Convert to fraction form
    3,942.21/5,435.26 = 2,597.61/x
  3. Step 3: Cross multiply
    3,942.21x = 5,435.26 × 2,597.61
  4. Step 4: Simplify right side
    3,942.21x = 14,118,679.23
  5. Step 5: Solve for x
    x = 14,118,679.23/3,942.21
  6. Step 6: Final answer
    x = 3,581.41

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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.