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Finding the Fourth Proportional to 1,094.48, 1,510.97 and 869.97

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Solution

The fourth proportional to 1,094.48, 1,510.97 and 869.97 is: 1,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.48 : 1,510.97 = 869.97 : x
  2. Step 2: Convert to fraction form
    1,094.48/1,510.97 = 869.97/x
  3. Step 3: Cross multiply
    1,094.48x = 1,510.97 × 869.97
  4. Step 4: Simplify right side
    1,094.48x = 1,314,498.57
  5. Step 5: Solve for x
    x = 1,314,498.57/1,094.48
  6. Step 6: Final answer
    x = 1,201.03

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Why These Related Problems?

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