Home / 3,453.48-5,181.08-1,113.70

Finding the Fourth Proportional to 3,453.48, 5,181.08 and 1,113.70

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Solution

The fourth proportional to 3,453.48, 5,181.08 and 1,113.70 is: 1,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.48 : 5,181.08 = 1,113.70 : x
  2. Step 2: Convert to fraction form
    3,453.48/5,181.08 = 1,113.70/x
  3. Step 3: Cross multiply
    3,453.48x = 5,181.08 × 1,113.70
  4. Step 4: Simplify right side
    3,453.48x = 5,770,168.80
  5. Step 5: Solve for x
    x = 5,770,168.80/3,453.48
  6. Step 6: Final answer
    x = 1,670.83

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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.