Home / 3,293.28-4,938.96-2,145.12

Finding the Fourth Proportional to 3,293.28, 4,938.96 and 2,145.12

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Solution

The fourth proportional to 3,293.28, 4,938.96 and 2,145.12 is: 3,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.28 : 4,938.96 = 2,145.12 : x
  2. Step 2: Convert to fraction form
    3,293.28/4,938.96 = 2,145.12/x
  3. Step 3: Cross multiply
    3,293.28x = 4,938.96 × 2,145.12
  4. Step 4: Simplify right side
    3,293.28x = 10,594,661.88
  5. Step 5: Solve for x
    x = 10,594,661.88/3,293.28
  6. Step 6: Final answer
    x = 3,217.05

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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.