Home / 3,756.85-5,635.41-1,124.38

Finding the Fourth Proportional to 3,756.85, 5,635.41 and 1,124.38

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Solution

The fourth proportional to 3,756.85, 5,635.41 and 1,124.38 is: 1,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.85 : 5,635.41 = 1,124.38 : x
  2. Step 2: Convert to fraction form
    3,756.85/5,635.41 = 1,124.38/x
  3. Step 3: Cross multiply
    3,756.85x = 5,635.41 × 1,124.38
  4. Step 4: Simplify right side
    3,756.85x = 6,336,345.12
  5. Step 5: Solve for x
    x = 6,336,345.12/3,756.85
  6. Step 6: Final answer
    x = 1,686.61

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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.