Home / 3,293.34-4,947.30-2,812.20

Finding the Fourth Proportional to 3,293.34, 4,947.30 and 2,812.20

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Solution

The fourth proportional to 3,293.34, 4,947.30 and 2,812.20 is: 4,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.34 : 4,947.30 = 2,812.20 : x
  2. Step 2: Convert to fraction form
    3,293.34/4,947.30 = 2,812.20/x
  3. Step 3: Cross multiply
    3,293.34x = 4,947.30 × 2,812.20
  4. Step 4: Simplify right side
    3,293.34x = 13,912,797.06
  5. Step 5: Solve for x
    x = 13,912,797.06/3,293.34
  6. Step 6: Final answer
    x = 4,224.52

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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.