Home / 3,884.16-5,357.76-2,392.64

Finding the Fourth Proportional to 3,884.16, 5,357.76 and 2,392.64

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Solution

The fourth proportional to 3,884.16, 5,357.76 and 2,392.64 is: 3,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.16 : 5,357.76 = 2,392.64 : x
  2. Step 2: Convert to fraction form
    3,884.16/5,357.76 = 2,392.64/x
  3. Step 3: Cross multiply
    3,884.16x = 5,357.76 × 2,392.64
  4. Step 4: Simplify right side
    3,884.16x = 12,819,190.89
  5. Step 5: Solve for x
    x = 12,819,190.89/3,884.16
  6. Step 6: Final answer
    x = 3,300.38

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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.