Home / 3,393.12-5,091.36-2,503.68

Finding the Fourth Proportional to 3,393.12, 5,091.36 and 2,503.68

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Solution

The fourth proportional to 3,393.12, 5,091.36 and 2,503.68 is: 3,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.12 : 5,091.36 = 2,503.68 : x
  2. Step 2: Convert to fraction form
    3,393.12/5,091.36 = 2,503.68/x
  3. Step 3: Cross multiply
    3,393.12x = 5,091.36 × 2,503.68
  4. Step 4: Simplify right side
    3,393.12x = 12,747,136.20
  5. Step 5: Solve for x
    x = 12,747,136.20/3,393.12
  6. Step 6: Final answer
    x = 3,756.76

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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.