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Finding the Fourth Proportional to 1,410.14, 1,946.68 and 938.82

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Solution

The fourth proportional to 1,410.14, 1,946.68 and 938.82 is: 1,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.14 : 1,946.68 = 938.82 : x
  2. Step 2: Convert to fraction form
    1,410.14/1,946.68 = 938.82/x
  3. Step 3: Cross multiply
    1,410.14x = 1,946.68 × 938.82
  4. Step 4: Simplify right side
    1,410.14x = 1,827,587.07
  5. Step 5: Solve for x
    x = 1,827,587.07/1,410.14
  6. Step 6: Final answer
    x = 1,296.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.