Home / 2,945.68-4,445.26-2,847.76

Finding the Fourth Proportional to 2,945.68, 4,445.26 and 2,847.76

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Solution

The fourth proportional to 2,945.68, 4,445.26 and 2,847.76 is: 4,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.68 : 4,445.26 = 2,847.76 : x
  2. Step 2: Convert to fraction form
    2,945.68/4,445.26 = 2,847.76/x
  3. Step 3: Cross multiply
    2,945.68x = 4,445.26 × 2,847.76
  4. Step 4: Simplify right side
    2,945.68x = 12,659,033.62
  5. Step 5: Solve for x
    x = 12,659,033.62/2,945.68
  6. Step 6: Final answer
    x = 4,297.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.