Home / 3,114.30-4,672.12-923.18

Finding the Fourth Proportional to 3,114.30, 4,672.12 and 923.18

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Solution

The fourth proportional to 3,114.30, 4,672.12 and 923.18 is: 1,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.30 : 4,672.12 = 923.18 : x
  2. Step 2: Convert to fraction form
    3,114.30/4,672.12 = 923.18/x
  3. Step 3: Cross multiply
    3,114.30x = 4,672.12 × 923.18
  4. Step 4: Simplify right side
    3,114.30x = 4,313,207.74
  5. Step 5: Solve for x
    x = 4,313,207.74/3,114.30
  6. Step 6: Final answer
    x = 1,384.97

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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.