Home / 3,200.26-4,416.40-1,958.26

Finding the Fourth Proportional to 3,200.26, 4,416.40 and 1,958.26

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Solution

The fourth proportional to 3,200.26, 4,416.40 and 1,958.26 is: 2,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.26 : 4,416.40 = 1,958.26 : x
  2. Step 2: Convert to fraction form
    3,200.26/4,416.40 = 1,958.26/x
  3. Step 3: Cross multiply
    3,200.26x = 4,416.40 × 1,958.26
  4. Step 4: Simplify right side
    3,200.26x = 8,648,459.46
  5. Step 5: Solve for x
    x = 8,648,459.46/3,200.26
  6. Step 6: Final answer
    x = 2,702.42

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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.