Home / 2,529.77-3,788.49-1,747.69

Finding the Fourth Proportional to 2,529.77, 3,788.49 and 1,747.69

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Solution

The fourth proportional to 2,529.77, 3,788.49 and 1,747.69 is: 2,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.77 : 3,788.49 = 1,747.69 : x
  2. Step 2: Convert to fraction form
    2,529.77/3,788.49 = 1,747.69/x
  3. Step 3: Cross multiply
    2,529.77x = 3,788.49 × 1,747.69
  4. Step 4: Simplify right side
    2,529.77x = 6,621,106.09
  5. Step 5: Solve for x
    x = 6,621,106.09/2,529.77
  6. Step 6: Final answer
    x = 2,617.28

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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.