Home / 3,950.13-5,451.60-2,271.61

Finding the Fourth Proportional to 3,950.13, 5,451.60 and 2,271.61

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Solution

The fourth proportional to 3,950.13, 5,451.60 and 2,271.61 is: 3,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.13 : 5,451.60 = 2,271.61 : x
  2. Step 2: Convert to fraction form
    3,950.13/5,451.60 = 2,271.61/x
  3. Step 3: Cross multiply
    3,950.13x = 5,451.60 × 2,271.61
  4. Step 4: Simplify right side
    3,950.13x = 12,383,909.08
  5. Step 5: Solve for x
    x = 12,383,909.08/3,950.13
  6. Step 6: Final answer
    x = 3,135.06

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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.