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Finding the Fourth Proportional to 3,757.60, 5,636.56 and 1,160.56

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Solution

The fourth proportional to 3,757.60, 5,636.56 and 1,160.56 is: 1,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.60 : 5,636.56 = 1,160.56 : x
  2. Step 2: Convert to fraction form
    3,757.60/5,636.56 = 1,160.56/x
  3. Step 3: Cross multiply
    3,757.60x = 5,636.56 × 1,160.56
  4. Step 4: Simplify right side
    3,757.60x = 6,541,566.07
  5. Step 5: Solve for x
    x = 6,541,566.07/3,757.60
  6. Step 6: Final answer
    x = 1,740.89

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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.