Home / 1,764.76-2,647.49-532.11

Finding the Fourth Proportional to 1,764.76, 2,647.49 and 532.11

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Solution

The fourth proportional to 1,764.76, 2,647.49 and 532.11 is: 798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.76 : 2,647.49 = 532.11 : x
  2. Step 2: Convert to fraction form
    1,764.76/2,647.49 = 532.11/x
  3. Step 3: Cross multiply
    1,764.76x = 2,647.49 × 532.11
  4. Step 4: Simplify right side
    1,764.76x = 1,408,755.90
  5. Step 5: Solve for x
    x = 1,408,755.90/1,764.76
  6. Step 6: Final answer
    x = 798.27

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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.