Home / 4,115.28-6,171.72-1,341.84

Finding the Fourth Proportional to 4,115.28, 6,171.72 and 1,341.84

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Solution

The fourth proportional to 4,115.28, 6,171.72 and 1,341.84 is: 2,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.28 : 6,171.72 = 1,341.84 : x
  2. Step 2: Convert to fraction form
    4,115.28/6,171.72 = 1,341.84/x
  3. Step 3: Cross multiply
    4,115.28x = 6,171.72 × 1,341.84
  4. Step 4: Simplify right side
    4,115.28x = 8,281,460.76
  5. Step 5: Solve for x
    x = 8,281,460.76/4,115.28
  6. Step 6: Final answer
    x = 2,012.37

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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.