Home / 3,114.81-4,671.42-923.03

Finding the Fourth Proportional to 3,114.81, 4,671.42 and 923.03

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Solution

The fourth proportional to 3,114.81, 4,671.42 and 923.03 is: 1,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.81 : 4,671.42 = 923.03 : x
  2. Step 2: Convert to fraction form
    3,114.81/4,671.42 = 923.03/x
  3. Step 3: Cross multiply
    3,114.81x = 4,671.42 × 923.03
  4. Step 4: Simplify right side
    3,114.81x = 4,311,844.47
  5. Step 5: Solve for x
    x = 4,311,844.47/3,114.81
  6. Step 6: Final answer
    x = 1,384.30

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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.