Home / 1,928.16-2,892.24-467.31

Finding the Fourth Proportional to 1,928.16, 2,892.24 and 467.31

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Solution

The fourth proportional to 1,928.16, 2,892.24 and 467.31 is: 700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.16 : 2,892.24 = 467.31 : x
  2. Step 2: Convert to fraction form
    1,928.16/2,892.24 = 467.31/x
  3. Step 3: Cross multiply
    1,928.16x = 2,892.24 × 467.31
  4. Step 4: Simplify right side
    1,928.16x = 1,351,572.67
  5. Step 5: Solve for x
    x = 1,351,572.67/1,928.16
  6. Step 6: Final answer
    x = 700.97

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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.