Home / 3,200.45-4,416.35-1,941.56

Finding the Fourth Proportional to 3,200.45, 4,416.35 and 1,941.56

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Solution

The fourth proportional to 3,200.45, 4,416.35 and 1,941.56 is: 2,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.45 : 4,416.35 = 1,941.56 : x
  2. Step 2: Convert to fraction form
    3,200.45/4,416.35 = 1,941.56/x
  3. Step 3: Cross multiply
    3,200.45x = 4,416.35 × 1,941.56
  4. Step 4: Simplify right side
    3,200.45x = 8,574,609.84
  5. Step 5: Solve for x
    x = 8,574,609.84/3,200.45
  6. Step 6: Final answer
    x = 2,679.19

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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.