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Finding the Fourth Proportional to 1,945.76, 2,930.04 and 1,401.71

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Solution

The fourth proportional to 1,945.76, 2,930.04 and 1,401.71 is: 2,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.76 : 2,930.04 = 1,401.71 : x
  2. Step 2: Convert to fraction form
    1,945.76/2,930.04 = 1,401.71/x
  3. Step 3: Cross multiply
    1,945.76x = 2,930.04 × 1,401.71
  4. Step 4: Simplify right side
    1,945.76x = 4,107,051.72
  5. Step 5: Solve for x
    x = 4,107,051.72/1,945.76
  6. Step 6: Final answer
    x = 2,110.78

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.