Home / 2,529.47-3,493.79-1,786.74

Finding the Fourth Proportional to 2,529.47, 3,493.79 and 1,786.74

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Solution

The fourth proportional to 2,529.47, 3,493.79 and 1,786.74 is: 2,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.47 : 3,493.79 = 1,786.74 : x
  2. Step 2: Convert to fraction form
    2,529.47/3,493.79 = 1,786.74/x
  3. Step 3: Cross multiply
    2,529.47x = 3,493.79 × 1,786.74
  4. Step 4: Simplify right side
    2,529.47x = 6,242,494.34
  5. Step 5: Solve for x
    x = 6,242,494.34/2,529.47
  6. Step 6: Final answer
    x = 2,467.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.