Home / 3,903.86-5,358.64-3,451.88

Finding the Fourth Proportional to 3,903.86, 5,358.64 and 3,451.88

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Solution

The fourth proportional to 3,903.86, 5,358.64 and 3,451.88 is: 4,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.86 : 5,358.64 = 3,451.88 : x
  2. Step 2: Convert to fraction form
    3,903.86/5,358.64 = 3,451.88/x
  3. Step 3: Cross multiply
    3,903.86x = 5,358.64 × 3,451.88
  4. Step 4: Simplify right side
    3,903.86x = 18,497,382.24
  5. Step 5: Solve for x
    x = 18,497,382.24/3,903.86
  6. Step 6: Final answer
    x = 4,738.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.