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Finding the Fourth Proportional to 1,874.69, 2,812.03 and 575.99

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Solution

The fourth proportional to 1,874.69, 2,812.03 and 575.99 is: 863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.69 : 2,812.03 = 575.99 : x
  2. Step 2: Convert to fraction form
    1,874.69/2,812.03 = 575.99/x
  3. Step 3: Cross multiply
    1,874.69x = 2,812.03 × 575.99
  4. Step 4: Simplify right side
    1,874.69x = 1,619,684.22
  5. Step 5: Solve for x
    x = 1,619,684.22/1,874.69
  6. Step 6: Final answer
    x = 863.98

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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.