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Finding the Fourth Proportional to 1,293.04, 1,940.46 and 562.24

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Solution

The fourth proportional to 1,293.04, 1,940.46 and 562.24 is: 843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.04 : 1,940.46 = 562.24 : x
  2. Step 2: Convert to fraction form
    1,293.04/1,940.46 = 562.24/x
  3. Step 3: Cross multiply
    1,293.04x = 1,940.46 × 562.24
  4. Step 4: Simplify right side
    1,293.04x = 1,091,004.23
  5. Step 5: Solve for x
    x = 1,091,004.23/1,293.04
  6. Step 6: Final answer
    x = 843.75

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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.