Home / 4,119.42-6,179.74-1,345.84

Finding the Fourth Proportional to 4,119.42, 6,179.74 and 1,345.84

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Solution

The fourth proportional to 4,119.42, 6,179.74 and 1,345.84 is: 2,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.42 : 6,179.74 = 1,345.84 : x
  2. Step 2: Convert to fraction form
    4,119.42/6,179.74 = 1,345.84/x
  3. Step 3: Cross multiply
    4,119.42x = 6,179.74 × 1,345.84
  4. Step 4: Simplify right side
    4,119.42x = 8,316,941.28
  5. Step 5: Solve for x
    x = 8,316,941.28/4,119.42
  6. Step 6: Final answer
    x = 2,018.96

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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.