Home / 3,455.02-5,183.53-1,114.97

Finding the Fourth Proportional to 3,455.02, 5,183.53 and 1,114.97

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Solution

The fourth proportional to 3,455.02, 5,183.53 and 1,114.97 is: 1,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.02 : 5,183.53 = 1,114.97 : x
  2. Step 2: Convert to fraction form
    3,455.02/5,183.53 = 1,114.97/x
  3. Step 3: Cross multiply
    3,455.02x = 5,183.53 × 1,114.97
  4. Step 4: Simplify right side
    3,455.02x = 5,779,480.44
  5. Step 5: Solve for x
    x = 5,779,480.44/3,455.02
  6. Step 6: Final answer
    x = 1,672.78

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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.