Home / 4,142.45-5,716.66-2,254.07

Finding the Fourth Proportional to 4,142.45, 5,716.66 and 2,254.07

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Solution

The fourth proportional to 4,142.45, 5,716.66 and 2,254.07 is: 3,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.45 : 5,716.66 = 2,254.07 : x
  2. Step 2: Convert to fraction form
    4,142.45/5,716.66 = 2,254.07/x
  3. Step 3: Cross multiply
    4,142.45x = 5,716.66 × 2,254.07
  4. Step 4: Simplify right side
    4,142.45x = 12,885,723.22
  5. Step 5: Solve for x
    x = 12,885,723.22/4,142.45
  6. Step 6: Final answer
    x = 3,110.66

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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.