Home / 3,584.90-4,947.28-2,168.85

Finding the Fourth Proportional to 3,584.90, 4,947.28 and 2,168.85

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Solution

The fourth proportional to 3,584.90, 4,947.28 and 2,168.85 is: 2,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.90 : 4,947.28 = 2,168.85 : x
  2. Step 2: Convert to fraction form
    3,584.90/4,947.28 = 2,168.85/x
  3. Step 3: Cross multiply
    3,584.90x = 4,947.28 × 2,168.85
  4. Step 4: Simplify right side
    3,584.90x = 10,729,904.01
  5. Step 5: Solve for x
    x = 10,729,904.01/3,584.90
  6. Step 6: Final answer
    x = 2,993.08

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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.