Home / 3,399.60-5,099.76-1,059.64

Finding the Fourth Proportional to 3,399.60, 5,099.76 and 1,059.64

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Solution

The fourth proportional to 3,399.60, 5,099.76 and 1,059.64 is: 1,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.60 : 5,099.76 = 1,059.64 : x
  2. Step 2: Convert to fraction form
    3,399.60/5,099.76 = 1,059.64/x
  3. Step 3: Cross multiply
    3,399.60x = 5,099.76 × 1,059.64
  4. Step 4: Simplify right side
    3,399.60x = 5,403,909.69
  5. Step 5: Solve for x
    x = 5,403,909.69/3,399.60
  6. Step 6: Final answer
    x = 1,589.57

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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.