Home / 3,471.45-5,205.50-1,005.60

Finding the Fourth Proportional to 3,471.45, 5,205.50 and 1,005.60

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Solution

The fourth proportional to 3,471.45, 5,205.50 and 1,005.60 is: 1,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.45 : 5,205.50 = 1,005.60 : x
  2. Step 2: Convert to fraction form
    3,471.45/5,205.50 = 1,005.60/x
  3. Step 3: Cross multiply
    3,471.45x = 5,205.50 × 1,005.60
  4. Step 4: Simplify right side
    3,471.45x = 5,234,650.80
  5. Step 5: Solve for x
    x = 5,234,650.80/3,471.45
  6. Step 6: Final answer
    x = 1,507.91

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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.