Home / 3,756.75-5,635.13-1,020.75

Finding the Fourth Proportional to 3,756.75, 5,635.13 and 1,020.75

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Solution

The fourth proportional to 3,756.75, 5,635.13 and 1,020.75 is: 1,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.75 : 5,635.13 = 1,020.75 : x
  2. Step 2: Convert to fraction form
    3,756.75/5,635.13 = 1,020.75/x
  3. Step 3: Cross multiply
    3,756.75x = 5,635.13 × 1,020.75
  4. Step 4: Simplify right side
    3,756.75x = 5,752,053.84
  5. Step 5: Solve for x
    x = 5,752,053.84/3,756.75
  6. Step 6: Final answer
    x = 1,531.13

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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.