Home / 3,450.28-4,763.55-2,273.35

Finding the Fourth Proportional to 3,450.28, 4,763.55 and 2,273.35

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Solution

The fourth proportional to 3,450.28, 4,763.55 and 2,273.35 is: 3,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.28 : 4,763.55 = 2,273.35 : x
  2. Step 2: Convert to fraction form
    3,450.28/4,763.55 = 2,273.35/x
  3. Step 3: Cross multiply
    3,450.28x = 4,763.55 × 2,273.35
  4. Step 4: Simplify right side
    3,450.28x = 10,829,216.39
  5. Step 5: Solve for x
    x = 10,829,216.39/3,450.28
  6. Step 6: Final answer
    x = 3,138.65

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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.