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Finding the Fourth Proportional to 1,749.52, 2,626.02 and 1,020.52

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Solution

The fourth proportional to 1,749.52, 2,626.02 and 1,020.52 is: 1,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.52 : 2,626.02 = 1,020.52 : x
  2. Step 2: Convert to fraction form
    1,749.52/2,626.02 = 1,020.52/x
  3. Step 3: Cross multiply
    1,749.52x = 2,626.02 × 1,020.52
  4. Step 4: Simplify right side
    1,749.52x = 2,679,905.93
  5. Step 5: Solve for x
    x = 2,679,905.93/1,749.52
  6. Step 6: Final answer
    x = 1,531.79

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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.