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Finding the Fourth Proportional to 1,874.02, 2,812.76 and 950.23

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Solution

The fourth proportional to 1,874.02, 2,812.76 and 950.23 is: 1,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.02 : 2,812.76 = 950.23 : x
  2. Step 2: Convert to fraction form
    1,874.02/2,812.76 = 950.23/x
  3. Step 3: Cross multiply
    1,874.02x = 2,812.76 × 950.23
  4. Step 4: Simplify right side
    1,874.02x = 2,672,768.93
  5. Step 5: Solve for x
    x = 2,672,768.93/1,874.02
  6. Step 6: Final answer
    x = 1,426.22

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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.