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Finding the Fourth Proportional to 3,144.95, 4,717.41 and 1,845.71

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Solution

The fourth proportional to 3,144.95, 4,717.41 and 1,845.71 is: 2,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.95 : 4,717.41 = 1,845.71 : x
  2. Step 2: Convert to fraction form
    3,144.95/4,717.41 = 1,845.71/x
  3. Step 3: Cross multiply
    3,144.95x = 4,717.41 × 1,845.71
  4. Step 4: Simplify right side
    3,144.95x = 8,706,970.81
  5. Step 5: Solve for x
    x = 8,706,970.81/3,144.95
  6. Step 6: Final answer
    x = 2,768.56

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1.5x scale

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.