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Finding the Fourth Proportional to 2,305.14, 3,457.68 and 573.78

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Solution

The fourth proportional to 2,305.14, 3,457.68 and 573.78 is: 860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.14 : 3,457.68 = 573.78 : x
  2. Step 2: Convert to fraction form
    2,305.14/3,457.68 = 573.78/x
  3. Step 3: Cross multiply
    2,305.14x = 3,457.68 × 573.78
  4. Step 4: Simplify right side
    2,305.14x = 1,983,947.63
  5. Step 5: Solve for x
    x = 1,983,947.63/2,305.14
  6. Step 6: Final answer
    x = 860.66

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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.