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Finding the Fourth Proportional to 3,960.10, 5,940.24 and 1,363

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Solution

The fourth proportional to 3,960.10, 5,940.24 and 1,363 is: 2,044.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.10 : 5,940.24 = 1,363 : x
  2. Step 2: Convert to fraction form
    3,960.10/5,940.24 = 1,363/x
  3. Step 3: Cross multiply
    3,960.10x = 5,940.24 × 1,363
  4. Step 4: Simplify right side
    3,960.10x = 8,096,547.12
  5. Step 5: Solve for x
    x = 8,096,547.12/3,960.10
  6. Step 6: Final answer
    x = 2,044.53

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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.