Home / 2,429.45-3,352.64-1,381.51

Finding the Fourth Proportional to 2,429.45, 3,352.64 and 1,381.51

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Solution

The fourth proportional to 2,429.45, 3,352.64 and 1,381.51 is: 1,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.45 : 3,352.64 = 1,381.51 : x
  2. Step 2: Convert to fraction form
    2,429.45/3,352.64 = 1,381.51/x
  3. Step 3: Cross multiply
    2,429.45x = 3,352.64 × 1,381.51
  4. Step 4: Simplify right side
    2,429.45x = 4,631,705.69
  5. Step 5: Solve for x
    x = 4,631,705.69/2,429.45
  6. Step 6: Final answer
    x = 1,906.48

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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.