Home / 3,062.07-4,221.42-2,065.77

Finding the Fourth Proportional to 3,062.07, 4,221.42 and 2,065.77

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Solution

The fourth proportional to 3,062.07, 4,221.42 and 2,065.77 is: 2,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.07 : 4,221.42 = 2,065.77 : x
  2. Step 2: Convert to fraction form
    3,062.07/4,221.42 = 2,065.77/x
  3. Step 3: Cross multiply
    3,062.07x = 4,221.42 × 2,065.77
  4. Step 4: Simplify right side
    3,062.07x = 8,720,475.05
  5. Step 5: Solve for x
    x = 8,720,475.05/3,062.07
  6. Step 6: Final answer
    x = 2,847.90

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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.