Home / 3,195.28-4,407.62-2,200.50

Finding the Fourth Proportional to 3,195.28, 4,407.62 and 2,200.50

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Solution

The fourth proportional to 3,195.28, 4,407.62 and 2,200.50 is: 3,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.28 : 4,407.62 = 2,200.50 : x
  2. Step 2: Convert to fraction form
    3,195.28/4,407.62 = 2,200.50/x
  3. Step 3: Cross multiply
    3,195.28x = 4,407.62 × 2,200.50
  4. Step 4: Simplify right side
    3,195.28x = 9,698,967.81
  5. Step 5: Solve for x
    x = 9,698,967.81/3,195.28
  6. Step 6: Final answer
    x = 3,035.40

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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.