Home / 2,318.42-3,458.09-2,249.17

Finding the Fourth Proportional to 2,318.42, 3,458.09 and 2,249.17

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Solution

The fourth proportional to 2,318.42, 3,458.09 and 2,249.17 is: 3,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.42 : 3,458.09 = 2,249.17 : x
  2. Step 2: Convert to fraction form
    2,318.42/3,458.09 = 2,249.17/x
  3. Step 3: Cross multiply
    2,318.42x = 3,458.09 × 2,249.17
  4. Step 4: Simplify right side
    2,318.42x = 7,777,829.26
  5. Step 5: Solve for x
    x = 7,777,829.26/2,318.42
  6. Step 6: Final answer
    x = 3,354.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.