Home / 2,788.26-3,847.70-1,529.36

Finding the Fourth Proportional to 2,788.26, 3,847.70 and 1,529.36

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Solution

The fourth proportional to 2,788.26, 3,847.70 and 1,529.36 is: 2,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.26 : 3,847.70 = 1,529.36 : x
  2. Step 2: Convert to fraction form
    2,788.26/3,847.70 = 1,529.36/x
  3. Step 3: Cross multiply
    2,788.26x = 3,847.70 × 1,529.36
  4. Step 4: Simplify right side
    2,788.26x = 5,884,518.47
  5. Step 5: Solve for x
    x = 5,884,518.47/2,788.26
  6. Step 6: Final answer
    x = 2,110.46

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