Home / 3,079.27-4,617.91-1,323.80

Finding the Fourth Proportional to 3,079.27, 4,617.91 and 1,323.80

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Solution

The fourth proportional to 3,079.27, 4,617.91 and 1,323.80 is: 1,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.27 : 4,617.91 = 1,323.80 : x
  2. Step 2: Convert to fraction form
    3,079.27/4,617.91 = 1,323.80/x
  3. Step 3: Cross multiply
    3,079.27x = 4,617.91 × 1,323.80
  4. Step 4: Simplify right side
    3,079.27x = 6,113,189.26
  5. Step 5: Solve for x
    x = 6,113,189.26/3,079.27
  6. Step 6: Final answer
    x = 1,985.27

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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.