Home / 3,747.45-5,621.31-1,407.24

Finding the Fourth Proportional to 3,747.45, 5,621.31 and 1,407.24

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Solution

The fourth proportional to 3,747.45, 5,621.31 and 1,407.24 is: 2,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.45 : 5,621.31 = 1,407.24 : x
  2. Step 2: Convert to fraction form
    3,747.45/5,621.31 = 1,407.24/x
  3. Step 3: Cross multiply
    3,747.45x = 5,621.31 × 1,407.24
  4. Step 4: Simplify right side
    3,747.45x = 7,910,532.28
  5. Step 5: Solve for x
    x = 7,910,532.28/3,747.45
  6. Step 6: Final answer
    x = 2,110.91

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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.