Home / 3,914.58-5,403.48-2,342.67

Finding the Fourth Proportional to 3,914.58, 5,403.48 and 2,342.67

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Solution

The fourth proportional to 3,914.58, 5,403.48 and 2,342.67 is: 3,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.58 : 5,403.48 = 2,342.67 : x
  2. Step 2: Convert to fraction form
    3,914.58/5,403.48 = 2,342.67/x
  3. Step 3: Cross multiply
    3,914.58x = 5,403.48 × 2,342.67
  4. Step 4: Simplify right side
    3,914.58x = 12,658,591.60
  5. Step 5: Solve for x
    x = 12,658,591.60/3,914.58
  6. Step 6: Final answer
    x = 3,233.71

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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.