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Finding the Fourth Proportional to 1,473.52, 2,033.49 and 810.40

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Solution

The fourth proportional to 1,473.52, 2,033.49 and 810.40 is: 1,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.52 : 2,033.49 = 810.40 : x
  2. Step 2: Convert to fraction form
    1,473.52/2,033.49 = 810.40/x
  3. Step 3: Cross multiply
    1,473.52x = 2,033.49 × 810.40
  4. Step 4: Simplify right side
    1,473.52x = 1,647,940.30
  5. Step 5: Solve for x
    x = 1,647,940.30/1,473.52
  6. Step 6: Final answer
    x = 1,118.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.