Home / 2,318.34-3,477.43-674.94

Finding the Fourth Proportional to 2,318.34, 3,477.43 and 674.94

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Solution

The fourth proportional to 2,318.34, 3,477.43 and 674.94 is: 1,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.34 : 3,477.43 = 674.94 : x
  2. Step 2: Convert to fraction form
    2,318.34/3,477.43 = 674.94/x
  3. Step 3: Cross multiply
    2,318.34x = 3,477.43 × 674.94
  4. Step 4: Simplify right side
    2,318.34x = 2,347,056.60
  5. Step 5: Solve for x
    x = 2,347,056.60/2,318.34
  6. Step 6: Final answer
    x = 1,012.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.