Home / 1,621.19-2,429.73-1,035.96

Finding the Fourth Proportional to 1,621.19, 2,429.73 and 1,035.96

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Solution

The fourth proportional to 1,621.19, 2,429.73 and 1,035.96 is: 1,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.19 : 2,429.73 = 1,035.96 : x
  2. Step 2: Convert to fraction form
    1,621.19/2,429.73 = 1,035.96/x
  3. Step 3: Cross multiply
    1,621.19x = 2,429.73 × 1,035.96
  4. Step 4: Simplify right side
    1,621.19x = 2,517,103.09
  5. Step 5: Solve for x
    x = 2,517,103.09/1,621.19
  6. Step 6: Final answer
    x = 1,552.63

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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.