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Finding the Fourth Proportional to 1,495.47, 2,243.92 and 674.00

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Solution

The fourth proportional to 1,495.47, 2,243.92 and 674.00 is: 1,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.47 : 2,243.92 = 674.00 : x
  2. Step 2: Convert to fraction form
    1,495.47/2,243.92 = 674.00/x
  3. Step 3: Cross multiply
    1,495.47x = 2,243.92 × 674.00
  4. Step 4: Simplify right side
    1,495.47x = 1,512,389.18
  5. Step 5: Solve for x
    x = 1,512,389.18/1,495.47
  6. Step 6: Final answer
    x = 1,011.31

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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.