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Finding the Fourth Proportional to 1,114.46, 1,537.64 and 799.63

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Solution

The fourth proportional to 1,114.46, 1,537.64 and 799.63 is: 1,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.46 : 1,537.64 = 799.63 : x
  2. Step 2: Convert to fraction form
    1,114.46/1,537.64 = 799.63/x
  3. Step 3: Cross multiply
    1,114.46x = 1,537.64 × 799.63
  4. Step 4: Simplify right side
    1,114.46x = 1,229,541.23
  5. Step 5: Solve for x
    x = 1,229,541.23/1,114.46
  6. Step 6: Final answer
    x = 1,103.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.