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Finding the Fourth Proportional to 2,305.22, 3,457.85 and 573.85

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Solution

The fourth proportional to 2,305.22, 3,457.85 and 573.85 is: 860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.22 : 3,457.85 = 573.85 : x
  2. Step 2: Convert to fraction form
    2,305.22/3,457.85 = 573.85/x
  3. Step 3: Cross multiply
    2,305.22x = 3,457.85 × 573.85
  4. Step 4: Simplify right side
    2,305.22x = 1,984,267.06
  5. Step 5: Solve for x
    x = 1,984,267.06/2,305.22
  6. Step 6: Final answer
    x = 860.77

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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.