Home / 2,733.19-3,771.15-1,789.15

Finding the Fourth Proportional to 2,733.19, 3,771.15 and 1,789.15

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Solution

The fourth proportional to 2,733.19, 3,771.15 and 1,789.15 is: 2,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.19 : 3,771.15 = 1,789.15 : x
  2. Step 2: Convert to fraction form
    2,733.19/3,771.15 = 1,789.15/x
  3. Step 3: Cross multiply
    2,733.19x = 3,771.15 × 1,789.15
  4. Step 4: Simplify right side
    2,733.19x = 6,747,153.02
  5. Step 5: Solve for x
    x = 6,747,153.02/2,733.19
  6. Step 6: Final answer
    x = 2,468.60

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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.