Home / 3,122.65-4,683.12-1,173.79

Finding the Fourth Proportional to 3,122.65, 4,683.12 and 1,173.79

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Solution

The fourth proportional to 3,122.65, 4,683.12 and 1,173.79 is: 1,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.65 : 4,683.12 = 1,173.79 : x
  2. Step 2: Convert to fraction form
    3,122.65/4,683.12 = 1,173.79/x
  3. Step 3: Cross multiply
    3,122.65x = 4,683.12 × 1,173.79
  4. Step 4: Simplify right side
    3,122.65x = 5,496,999.42
  5. Step 5: Solve for x
    x = 5,496,999.42/3,122.65
  6. Step 6: Final answer
    x = 1,760.36

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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.