Home / 2,231.64-3,344.72-1,617.45

Finding the Fourth Proportional to 2,231.64, 3,344.72 and 1,617.45

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Solution

The fourth proportional to 2,231.64, 3,344.72 and 1,617.45 is: 2,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.64 : 3,344.72 = 1,617.45 : x
  2. Step 2: Convert to fraction form
    2,231.64/3,344.72 = 1,617.45/x
  3. Step 3: Cross multiply
    2,231.64x = 3,344.72 × 1,617.45
  4. Step 4: Simplify right side
    2,231.64x = 5,409,909.28
  5. Step 5: Solve for x
    x = 5,409,909.28/2,231.64
  6. Step 6: Final answer
    x = 2,424.19

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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.