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Finding the Fourth Proportional to 1,397.03, 2,096.03 and 930.38

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Solution

The fourth proportional to 1,397.03, 2,096.03 and 930.38 is: 1,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397.03 : 2,096.03 = 930.38 : x
  2. Step 2: Convert to fraction form
    1,397.03/2,096.03 = 930.38/x
  3. Step 3: Cross multiply
    1,397.03x = 2,096.03 × 930.38
  4. Step 4: Simplify right side
    1,397.03x = 1,950,089.26
  5. Step 5: Solve for x
    x = 1,950,089.26/1,397.03
  6. Step 6: Final answer
    x = 1,395.89

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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.