Home / 3,114.57-4,671.87-923.34

Finding the Fourth Proportional to 3,114.57, 4,671.87 and 923.34

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Solution

The fourth proportional to 3,114.57, 4,671.87 and 923.34 is: 1,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.57 : 4,671.87 = 923.34 : x
  2. Step 2: Convert to fraction form
    3,114.57/4,671.87 = 923.34/x
  3. Step 3: Cross multiply
    3,114.57x = 4,671.87 × 923.34
  4. Step 4: Simplify right side
    3,114.57x = 4,313,724.45
  5. Step 5: Solve for x
    x = 4,313,724.45/3,114.57
  6. Step 6: Final answer
    x = 1,385.01

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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.