Home / 3,716.34-5,127.72-2,144.16

Finding the Fourth Proportional to 3,716.34, 5,127.72 and 2,144.16

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Solution

The fourth proportional to 3,716.34, 5,127.72 and 2,144.16 is: 2,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.34 : 5,127.72 = 2,144.16 : x
  2. Step 2: Convert to fraction form
    3,716.34/5,127.72 = 2,144.16/x
  3. Step 3: Cross multiply
    3,716.34x = 5,127.72 × 2,144.16
  4. Step 4: Simplify right side
    3,716.34x = 10,994,652.12
  5. Step 5: Solve for x
    x = 10,994,652.12/3,716.34
  6. Step 6: Final answer
    x = 2,958.46

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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.