Home / 3,079.66-4,619.32-1,348.28

Finding the Fourth Proportional to 3,079.66, 4,619.32 and 1,348.28

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Solution

The fourth proportional to 3,079.66, 4,619.32 and 1,348.28 is: 2,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.66 : 4,619.32 = 1,348.28 : x
  2. Step 2: Convert to fraction form
    3,079.66/4,619.32 = 1,348.28/x
  3. Step 3: Cross multiply
    3,079.66x = 4,619.32 × 1,348.28
  4. Step 4: Simplify right side
    3,079.66x = 6,228,136.77
  5. Step 5: Solve for x
    x = 6,228,136.77/3,079.66
  6. Step 6: Final answer
    x = 2,022.35

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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.