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Finding the Fourth Proportional to 1,505.43, 2,252.48 and 971.24

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Solution

The fourth proportional to 1,505.43, 2,252.48 and 971.24 is: 1,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.43 : 2,252.48 = 971.24 : x
  2. Step 2: Convert to fraction form
    1,505.43/2,252.48 = 971.24/x
  3. Step 3: Cross multiply
    1,505.43x = 2,252.48 × 971.24
  4. Step 4: Simplify right side
    1,505.43x = 2,187,682.56
  5. Step 5: Solve for x
    x = 2,187,682.56/1,505.43
  6. Step 6: Final answer
    x = 1,453.19

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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.