Home / 3,925.67-5,416.71-2,353.79

Finding the Fourth Proportional to 3,925.67, 5,416.71 and 2,353.79

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Solution

The fourth proportional to 3,925.67, 5,416.71 and 2,353.79 is: 3,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.67 : 5,416.71 = 2,353.79 : x
  2. Step 2: Convert to fraction form
    3,925.67/5,416.71 = 2,353.79/x
  3. Step 3: Cross multiply
    3,925.67x = 5,416.71 × 2,353.79
  4. Step 4: Simplify right side
    3,925.67x = 12,749,770.75
  5. Step 5: Solve for x
    x = 12,749,770.75/3,925.67
  6. Step 6: Final answer
    x = 3,247.80

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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.