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Finding the Fourth Proportional to 1,803.54, 2,704.11 and 649.14

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Solution

The fourth proportional to 1,803.54, 2,704.11 and 649.14 is: 973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.54 : 2,704.11 = 649.14 : x
  2. Step 2: Convert to fraction form
    1,803.54/2,704.11 = 649.14/x
  3. Step 3: Cross multiply
    1,803.54x = 2,704.11 × 649.14
  4. Step 4: Simplify right side
    1,803.54x = 1,755,345.97
  5. Step 5: Solve for x
    x = 1,755,345.97/1,803.54
  6. Step 6: Final answer
    x = 973.28

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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.