Home / 2,609.28-3,916.32-1,632.48

Finding the Fourth Proportional to 2,609.28, 3,916.32 and 1,632.48

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Solution

The fourth proportional to 2,609.28, 3,916.32 and 1,632.48 is: 2,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.28 : 3,916.32 = 1,632.48 : x
  2. Step 2: Convert to fraction form
    2,609.28/3,916.32 = 1,632.48/x
  3. Step 3: Cross multiply
    2,609.28x = 3,916.32 × 1,632.48
  4. Step 4: Simplify right side
    2,609.28x = 6,393,314.07
  5. Step 5: Solve for x
    x = 6,393,314.07/2,609.28
  6. Step 6: Final answer
    x = 2,450.22

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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.