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Finding the Fourth Proportional to 3,702.51, 5,556.20 and 1,754.87

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Solution

The fourth proportional to 3,702.51, 5,556.20 and 1,754.87 is: 2,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.51 : 5,556.20 = 1,754.87 : x
  2. Step 2: Convert to fraction form
    3,702.51/5,556.20 = 1,754.87/x
  3. Step 3: Cross multiply
    3,702.51x = 5,556.20 × 1,754.87
  4. Step 4: Simplify right side
    3,702.51x = 9,750,372.14
  5. Step 5: Solve for x
    x = 9,750,372.14/3,702.51
  6. Step 6: Final answer
    x = 2,633.45

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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.