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Finding the Fourth Proportional to 2,305.94, 3,458.91 and 574.57

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Solution

The fourth proportional to 2,305.94, 3,458.91 and 574.57 is: 861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.94 : 3,458.91 = 574.57 : x
  2. Step 2: Convert to fraction form
    2,305.94/3,458.91 = 574.57/x
  3. Step 3: Cross multiply
    2,305.94x = 3,458.91 × 574.57
  4. Step 4: Simplify right side
    2,305.94x = 1,987,385.92
  5. Step 5: Solve for x
    x = 1,987,385.92/2,305.94
  6. Step 6: Final answer
    x = 861.86

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1.5x scale

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.