Home / 1,757.18-2,638.50-1,679.27

Finding the Fourth Proportional to 1,757.18, 2,638.50 and 1,679.27

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Solution

The fourth proportional to 1,757.18, 2,638.50 and 1,679.27 is: 2,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.18 : 2,638.50 = 1,679.27 : x
  2. Step 2: Convert to fraction form
    1,757.18/2,638.50 = 1,679.27/x
  3. Step 3: Cross multiply
    1,757.18x = 2,638.50 × 1,679.27
  4. Step 4: Simplify right side
    1,757.18x = 4,430,753.90
  5. Step 5: Solve for x
    x = 4,430,753.90/1,757.18
  6. Step 6: Final answer
    x = 2,521.51

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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.