Home / 3,114.98-4,673.24-923.71

Finding the Fourth Proportional to 3,114.98, 4,673.24 and 923.71

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Solution

The fourth proportional to 3,114.98, 4,673.24 and 923.71 is: 1,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.98 : 4,673.24 = 923.71 : x
  2. Step 2: Convert to fraction form
    3,114.98/4,673.24 = 923.71/x
  3. Step 3: Cross multiply
    3,114.98x = 4,673.24 × 923.71
  4. Step 4: Simplify right side
    3,114.98x = 4,316,710.42
  5. Step 5: Solve for x
    x = 4,316,710.42/3,114.98
  6. Step 6: Final answer
    x = 1,385.79

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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.