Home / 2,523.20-3,480.70-1,639.48

Finding the Fourth Proportional to 2,523.20, 3,480.70 and 1,639.48

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Solution

The fourth proportional to 2,523.20, 3,480.70 and 1,639.48 is: 2,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.20 : 3,480.70 = 1,639.48 : x
  2. Step 2: Convert to fraction form
    2,523.20/3,480.70 = 1,639.48/x
  3. Step 3: Cross multiply
    2,523.20x = 3,480.70 × 1,639.48
  4. Step 4: Simplify right side
    2,523.20x = 5,706,538.04
  5. Step 5: Solve for x
    x = 5,706,538.04/2,523.20
  6. Step 6: Final answer
    x = 2,261.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.