Home / 3,062.75-4,226.60-1,820.75

Finding the Fourth Proportional to 3,062.75, 4,226.60 and 1,820.75

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Solution

The fourth proportional to 3,062.75, 4,226.60 and 1,820.75 is: 2,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.75 : 4,226.60 = 1,820.75 : x
  2. Step 2: Convert to fraction form
    3,062.75/4,226.60 = 1,820.75/x
  3. Step 3: Cross multiply
    3,062.75x = 4,226.60 × 1,820.75
  4. Step 4: Simplify right side
    3,062.75x = 7,695,581.95
  5. Step 5: Solve for x
    x = 7,695,581.95/3,062.75
  6. Step 6: Final answer
    x = 2,512.64

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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.