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Finding the Fourth Proportional to 2,306.45, 3,459.68 and 575.07

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Solution

The fourth proportional to 2,306.45, 3,459.68 and 575.07 is: 862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.45 : 3,459.68 = 575.07 : x
  2. Step 2: Convert to fraction form
    2,306.45/3,459.68 = 575.07/x
  3. Step 3: Cross multiply
    2,306.45x = 3,459.68 × 575.07
  4. Step 4: Simplify right side
    2,306.45x = 1,989,555.30
  5. Step 5: Solve for x
    x = 1,989,555.30/2,306.45
  6. Step 6: Final answer
    x = 862.61

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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.