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Finding the Fourth Proportional to 1,735.48, 2,600.10 and 1,489.72

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Solution

The fourth proportional to 1,735.48, 2,600.10 and 1,489.72 is: 2,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.48 : 2,600.10 = 1,489.72 : x
  2. Step 2: Convert to fraction form
    1,735.48/2,600.10 = 1,489.72/x
  3. Step 3: Cross multiply
    1,735.48x = 2,600.10 × 1,489.72
  4. Step 4: Simplify right side
    1,735.48x = 3,873,420.97
  5. Step 5: Solve for x
    x = 3,873,420.97/1,735.48
  6. Step 6: Final answer
    x = 2,231.90

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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.