Home / 3,100.25-4,651.05-1,020.44

Finding the Fourth Proportional to 3,100.25, 4,651.05 and 1,020.44

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Solution

The fourth proportional to 3,100.25, 4,651.05 and 1,020.44 is: 1,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.25 : 4,651.05 = 1,020.44 : x
  2. Step 2: Convert to fraction form
    3,100.25/4,651.05 = 1,020.44/x
  3. Step 3: Cross multiply
    3,100.25x = 4,651.05 × 1,020.44
  4. Step 4: Simplify right side
    3,100.25x = 4,746,117.46
  5. Step 5: Solve for x
    x = 4,746,117.46/3,100.25
  6. Step 6: Final answer
    x = 1,530.88

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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.