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Finding the Fourth Proportional to 1,481.96, 2,224.32 and 752.06

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Solution

The fourth proportional to 1,481.96, 2,224.32 and 752.06 is: 1,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.96 : 2,224.32 = 752.06 : x
  2. Step 2: Convert to fraction form
    1,481.96/2,224.32 = 752.06/x
  3. Step 3: Cross multiply
    1,481.96x = 2,224.32 × 752.06
  4. Step 4: Simplify right side
    1,481.96x = 1,672,822.10
  5. Step 5: Solve for x
    x = 1,672,822.10/1,481.96
  6. Step 6: Final answer
    x = 1,128.79

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1.5x scale

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.