Home / 2,523.42-3,480.57-1,638.90

Finding the Fourth Proportional to 2,523.42, 3,480.57 and 1,638.90

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Solution

The fourth proportional to 2,523.42, 3,480.57 and 1,638.90 is: 2,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.42 : 3,480.57 = 1,638.90 : x
  2. Step 2: Convert to fraction form
    2,523.42/3,480.57 = 1,638.90/x
  3. Step 3: Cross multiply
    2,523.42x = 3,480.57 × 1,638.90
  4. Step 4: Simplify right side
    2,523.42x = 5,704,306.17
  5. Step 5: Solve for x
    x = 5,704,306.17/2,523.42
  6. Step 6: Final answer
    x = 2,260.55

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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.