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Finding the Fourth Proportional to 1,165.79, 1,748.68 and 1,094.51

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Solution

The fourth proportional to 1,165.79, 1,748.68 and 1,094.51 is: 1,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.79 : 1,748.68 = 1,094.51 : x
  2. Step 2: Convert to fraction form
    1,165.79/1,748.68 = 1,094.51/x
  3. Step 3: Cross multiply
    1,165.79x = 1,748.68 × 1,094.51
  4. Step 4: Simplify right side
    1,165.79x = 1,913,936.27
  5. Step 5: Solve for x
    x = 1,913,936.27/1,165.79
  6. Step 6: Final answer
    x = 1,641.76

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Similar ratio
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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.