Home / 3,316.43-4,975.36-1,125.11

Finding the Fourth Proportional to 3,316.43, 4,975.36 and 1,125.11

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Solution

The fourth proportional to 3,316.43, 4,975.36 and 1,125.11 is: 1,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.43 : 4,975.36 = 1,125.11 : x
  2. Step 2: Convert to fraction form
    3,316.43/4,975.36 = 1,125.11/x
  3. Step 3: Cross multiply
    3,316.43x = 4,975.36 × 1,125.11
  4. Step 4: Simplify right side
    3,316.43x = 5,597,836.92
  5. Step 5: Solve for x
    x = 5,597,836.92/3,316.43
  6. Step 6: Final answer
    x = 1,687.91

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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.