Home / 4,122.96-5,686.83-2,550.12

Finding the Fourth Proportional to 4,122.96, 5,686.83 and 2,550.12

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Solution

The fourth proportional to 4,122.96, 5,686.83 and 2,550.12 is: 3,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.96 : 5,686.83 = 2,550.12 : x
  2. Step 2: Convert to fraction form
    4,122.96/5,686.83 = 2,550.12/x
  3. Step 3: Cross multiply
    4,122.96x = 5,686.83 × 2,550.12
  4. Step 4: Simplify right side
    4,122.96x = 14,502,098.92
  5. Step 5: Solve for x
    x = 14,502,098.92/4,122.96
  6. Step 6: Final answer
    x = 3,517.40

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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.