Home / 3,747.54-5,621.40-1,150.50

Finding the Fourth Proportional to 3,747.54, 5,621.40 and 1,150.50

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Solution

The fourth proportional to 3,747.54, 5,621.40 and 1,150.50 is: 1,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.54 : 5,621.40 = 1,150.50 : x
  2. Step 2: Convert to fraction form
    3,747.54/5,621.40 = 1,150.50/x
  3. Step 3: Cross multiply
    3,747.54x = 5,621.40 × 1,150.50
  4. Step 4: Simplify right side
    3,747.54x = 6,467,420.70
  5. Step 5: Solve for x
    x = 6,467,420.70/3,747.54
  6. Step 6: Final answer
    x = 1,725.78

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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.