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Finding the Fourth Proportional to 2,305.46, 3,458.18 and 574.08

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Solution

The fourth proportional to 2,305.46, 3,458.18 and 574.08 is: 861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.46 : 3,458.18 = 574.08 : x
  2. Step 2: Convert to fraction form
    2,305.46/3,458.18 = 574.08/x
  3. Step 3: Cross multiply
    2,305.46x = 3,458.18 × 574.08
  4. Step 4: Simplify right side
    2,305.46x = 1,985,269.10
  5. Step 5: Solve for x
    x = 1,985,269.10/2,305.46
  6. Step 6: Final answer
    x = 861.12

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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.