Home / 3,949.55-5,451.23-2,693.60

Finding the Fourth Proportional to 3,949.55, 5,451.23 and 2,693.60

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Solution

The fourth proportional to 3,949.55, 5,451.23 and 2,693.60 is: 3,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.55 : 5,451.23 = 2,693.60 : x
  2. Step 2: Convert to fraction form
    3,949.55/5,451.23 = 2,693.60/x
  3. Step 3: Cross multiply
    3,949.55x = 5,451.23 × 2,693.60
  4. Step 4: Simplify right side
    3,949.55x = 14,683,433.13
  5. Step 5: Solve for x
    x = 14,683,433.13/3,949.55
  6. Step 6: Final answer
    x = 3,717.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.