Home / 3,455.15-5,183.93-1,507.50

Finding the Fourth Proportional to 3,455.15, 5,183.93 and 1,507.50

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Solution

The fourth proportional to 3,455.15, 5,183.93 and 1,507.50 is: 2,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.15 : 5,183.93 = 1,507.50 : x
  2. Step 2: Convert to fraction form
    3,455.15/5,183.93 = 1,507.50/x
  3. Step 3: Cross multiply
    3,455.15x = 5,183.93 × 1,507.50
  4. Step 4: Simplify right side
    3,455.15x = 7,814,778.24
  5. Step 5: Solve for x
    x = 7,814,778.24/3,455.15
  6. Step 6: Final answer
    x = 2,261.78

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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.