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Finding the Fourth Proportional to 2,734.37, 4,101.05 and 786.11

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Solution

The fourth proportional to 2,734.37, 4,101.05 and 786.11 is: 1,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.37 : 4,101.05 = 786.11 : x
  2. Step 2: Convert to fraction form
    2,734.37/4,101.05 = 786.11/x
  3. Step 3: Cross multiply
    2,734.37x = 4,101.05 × 786.11
  4. Step 4: Simplify right side
    2,734.37x = 3,223,851.98
  5. Step 5: Solve for x
    x = 3,223,851.98/2,734.37
  6. Step 6: Final answer
    x = 1,179.01

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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.