Home / 3,599.55-5,399.33-1,518.99

Finding the Fourth Proportional to 3,599.55, 5,399.33 and 1,518.99

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Solution

The fourth proportional to 3,599.55, 5,399.33 and 1,518.99 is: 2,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.55 : 5,399.33 = 1,518.99 : x
  2. Step 2: Convert to fraction form
    3,599.55/5,399.33 = 1,518.99/x
  3. Step 3: Cross multiply
    3,599.55x = 5,399.33 × 1,518.99
  4. Step 4: Simplify right side
    3,599.55x = 8,201,520.68
  5. Step 5: Solve for x
    x = 8,201,520.68/3,599.55
  6. Step 6: Final answer
    x = 2,278.49

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Similar ratio
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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.