Home / 3,293.20-4,928.08-2,836.40

Finding the Fourth Proportional to 3,293.20, 4,928.08 and 2,836.40

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Solution

The fourth proportional to 3,293.20, 4,928.08 and 2,836.40 is: 4,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.20 : 4,928.08 = 2,836.40 : x
  2. Step 2: Convert to fraction form
    3,293.20/4,928.08 = 2,836.40/x
  3. Step 3: Cross multiply
    3,293.20x = 4,928.08 × 2,836.40
  4. Step 4: Simplify right side
    3,293.20x = 13,978,006.11
  5. Step 5: Solve for x
    x = 13,978,006.11/3,293.20
  6. Step 6: Final answer
    x = 4,244.51

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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.