Home / 3,114.66-4,672.01-923.43

Finding the Fourth Proportional to 3,114.66, 4,672.01 and 923.43

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Solution

The fourth proportional to 3,114.66, 4,672.01 and 923.43 is: 1,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.66 : 4,672.01 = 923.43 : x
  2. Step 2: Convert to fraction form
    3,114.66/4,672.01 = 923.43/x
  3. Step 3: Cross multiply
    3,114.66x = 4,672.01 × 923.43
  4. Step 4: Simplify right side
    3,114.66x = 4,314,269.58
  5. Step 5: Solve for x
    x = 4,314,269.58/3,114.66
  6. Step 6: Final answer
    x = 1,385.15

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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.