Home / 4,142.42-5,716.64-2,254.11

Finding the Fourth Proportional to 4,142.42, 5,716.64 and 2,254.11

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Solution

The fourth proportional to 4,142.42, 5,716.64 and 2,254.11 is: 3,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.42 : 5,716.64 = 2,254.11 : x
  2. Step 2: Convert to fraction form
    4,142.42/5,716.64 = 2,254.11/x
  3. Step 3: Cross multiply
    4,142.42x = 5,716.64 × 2,254.11
  4. Step 4: Simplify right side
    4,142.42x = 12,885,906.81
  5. Step 5: Solve for x
    x = 12,885,906.81/4,142.42
  6. Step 6: Final answer
    x = 3,110.72

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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.