Home / 3,144.68-4,339.42-1,817.50

Finding the Fourth Proportional to 3,144.68, 4,339.42 and 1,817.50

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Solution

The fourth proportional to 3,144.68, 4,339.42 and 1,817.50 is: 2,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.68 : 4,339.42 = 1,817.50 : x
  2. Step 2: Convert to fraction form
    3,144.68/4,339.42 = 1,817.50/x
  3. Step 3: Cross multiply
    3,144.68x = 4,339.42 × 1,817.50
  4. Step 4: Simplify right side
    3,144.68x = 7,886,895.85
  5. Step 5: Solve for x
    x = 7,886,895.85/3,144.68
  6. Step 6: Final answer
    x = 2,508.01

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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.