Home / 3,516.40-5,269.74-3,411.28

Finding the Fourth Proportional to 3,516.40, 5,269.74 and 3,411.28

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Solution

The fourth proportional to 3,516.40, 5,269.74 and 3,411.28 is: 5,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.40 : 5,269.74 = 3,411.28 : x
  2. Step 2: Convert to fraction form
    3,516.40/5,269.74 = 3,411.28/x
  3. Step 3: Cross multiply
    3,516.40x = 5,269.74 × 3,411.28
  4. Step 4: Simplify right side
    3,516.40x = 17,976,558.67
  5. Step 5: Solve for x
    x = 17,976,558.67/3,516.40
  6. Step 6: Final answer
    x = 5,112.21

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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.