Home / 4,102.65-6,153.82-1,636.81

Finding the Fourth Proportional to 4,102.65, 6,153.82 and 1,636.81

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Solution

The fourth proportional to 4,102.65, 6,153.82 and 1,636.81 is: 2,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.65 : 6,153.82 = 1,636.81 : x
  2. Step 2: Convert to fraction form
    4,102.65/6,153.82 = 1,636.81/x
  3. Step 3: Cross multiply
    4,102.65x = 6,153.82 × 1,636.81
  4. Step 4: Simplify right side
    4,102.65x = 10,072,623.84
  5. Step 5: Solve for x
    x = 10,072,623.84/4,102.65
  6. Step 6: Final answer
    x = 2,455.15

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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.