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Finding the Fourth Proportional to 1,812.03, 2,713.08 and 944.52

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Solution

The fourth proportional to 1,812.03, 2,713.08 and 944.52 is: 1,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.03 : 2,713.08 = 944.52 : x
  2. Step 2: Convert to fraction form
    1,812.03/2,713.08 = 944.52/x
  3. Step 3: Cross multiply
    1,812.03x = 2,713.08 × 944.52
  4. Step 4: Simplify right side
    1,812.03x = 2,562,558.32
  5. Step 5: Solve for x
    x = 2,562,558.32/1,812.03
  6. Step 6: Final answer
    x = 1,414.19

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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.