Home / 2,788.45-3,848.09-1,529.42

Finding the Fourth Proportional to 2,788.45, 3,848.09 and 1,529.42

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Solution

The fourth proportional to 2,788.45, 3,848.09 and 1,529.42 is: 2,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.45 : 3,848.09 = 1,529.42 : x
  2. Step 2: Convert to fraction form
    2,788.45/3,848.09 = 1,529.42/x
  3. Step 3: Cross multiply
    2,788.45x = 3,848.09 × 1,529.42
  4. Step 4: Simplify right side
    2,788.45x = 5,885,330.39
  5. Step 5: Solve for x
    x = 5,885,330.39/2,788.45
  6. Step 6: Final answer
    x = 2,110.61

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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.