Home / 3,144.00-4,338.47-1,817.79

Finding the Fourth Proportional to 3,144.00, 4,338.47 and 1,817.79

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Solution

The fourth proportional to 3,144.00, 4,338.47 and 1,817.79 is: 2,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.00 : 4,338.47 = 1,817.79 : x
  2. Step 2: Convert to fraction form
    3,144.00/4,338.47 = 1,817.79/x
  3. Step 3: Cross multiply
    3,144.00x = 4,338.47 × 1,817.79
  4. Step 4: Simplify right side
    3,144.00x = 7,886,433.24
  5. Step 5: Solve for x
    x = 7,886,433.24/3,144.00
  6. Step 6: Final answer
    x = 2,508.41

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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.