Home / 3,144.98-4,339.41-1,817.79

Finding the Fourth Proportional to 3,144.98, 4,339.41 and 1,817.79

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Solution

The fourth proportional to 3,144.98, 4,339.41 and 1,817.79 is: 2,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.98 : 4,339.41 = 1,817.79 : x
  2. Step 2: Convert to fraction form
    3,144.98/4,339.41 = 1,817.79/x
  3. Step 3: Cross multiply
    3,144.98x = 4,339.41 × 1,817.79
  4. Step 4: Simplify right side
    3,144.98x = 7,888,136.10
  5. Step 5: Solve for x
    x = 7,888,136.10/3,144.98
  6. Step 6: Final answer
    x = 2,508.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.