Home / 1,554.18-2,330.92-997.21

Finding the Fourth Proportional to 1,554.18, 2,330.92 and 997.21

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Solution

The fourth proportional to 1,554.18, 2,330.92 and 997.21 is: 1,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.18 : 2,330.92 = 997.21 : x
  2. Step 2: Convert to fraction form
    1,554.18/2,330.92 = 997.21/x
  3. Step 3: Cross multiply
    1,554.18x = 2,330.92 × 997.21
  4. Step 4: Simplify right side
    1,554.18x = 2,324,416.73
  5. Step 5: Solve for x
    x = 2,324,416.73/1,554.18
  6. Step 6: Final answer
    x = 1,495.59

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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.