Home / 3,746.24-5,619.97-1,406.43

Finding the Fourth Proportional to 3,746.24, 5,619.97 and 1,406.43

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Solution

The fourth proportional to 3,746.24, 5,619.97 and 1,406.43 is: 2,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.24 : 5,619.97 = 1,406.43 : x
  2. Step 2: Convert to fraction form
    3,746.24/5,619.97 = 1,406.43/x
  3. Step 3: Cross multiply
    3,746.24x = 5,619.97 × 1,406.43
  4. Step 4: Simplify right side
    3,746.24x = 7,904,069.82
  5. Step 5: Solve for x
    x = 7,904,069.82/3,746.24
  6. Step 6: Final answer
    x = 2,109.87

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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.