Home / 4,115.42-6,171.79-1,341.36

Finding the Fourth Proportional to 4,115.42, 6,171.79 and 1,341.36

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Solution

The fourth proportional to 4,115.42, 6,171.79 and 1,341.36 is: 2,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.42 : 6,171.79 = 1,341.36 : x
  2. Step 2: Convert to fraction form
    4,115.42/6,171.79 = 1,341.36/x
  3. Step 3: Cross multiply
    4,115.42x = 6,171.79 × 1,341.36
  4. Step 4: Simplify right side
    4,115.42x = 8,278,588.88
  5. Step 5: Solve for x
    x = 8,278,588.88/4,115.42
  6. Step 6: Final answer
    x = 2,011.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.