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Finding the Fourth Proportional to 3,650.65, 5,477.79 and 1,460

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Solution

The fourth proportional to 3,650.65, 5,477.79 and 1,460 is: 2,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.65 : 5,477.79 = 1,460 : x
  2. Step 2: Convert to fraction form
    3,650.65/5,477.79 = 1,460/x
  3. Step 3: Cross multiply
    3,650.65x = 5,477.79 × 1,460
  4. Step 4: Simplify right side
    3,650.65x = 7,997,573.40
  5. Step 5: Solve for x
    x = 7,997,573.40/3,650.65
  6. Step 6: Final answer
    x = 2,190.73

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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.