Home / 3,518.20-5,276.53-1,052.71

Finding the Fourth Proportional to 3,518.20, 5,276.53 and 1,052.71

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Solution

The fourth proportional to 3,518.20, 5,276.53 and 1,052.71 is: 1,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.20 : 5,276.53 = 1,052.71 : x
  2. Step 2: Convert to fraction form
    3,518.20/5,276.53 = 1,052.71/x
  3. Step 3: Cross multiply
    3,518.20x = 5,276.53 × 1,052.71
  4. Step 4: Simplify right side
    3,518.20x = 5,554,644.02
  5. Step 5: Solve for x
    x = 5,554,644.02/3,518.20
  6. Step 6: Final answer
    x = 1,578.83

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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.