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Finding the Fourth Proportional to 3,051.08, 4,575.08 and 1,200.78

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Solution

The fourth proportional to 3,051.08, 4,575.08 and 1,200.78 is: 1,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.08 : 4,575.08 = 1,200.78 : x
  2. Step 2: Convert to fraction form
    3,051.08/4,575.08 = 1,200.78/x
  3. Step 3: Cross multiply
    3,051.08x = 4,575.08 × 1,200.78
  4. Step 4: Simplify right side
    3,051.08x = 5,493,664.56
  5. Step 5: Solve for x
    x = 5,493,664.56/3,051.08
  6. Step 6: Final answer
    x = 1,800.56

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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.