Home / 3,649.37-5,474.22-1,339.61

Finding the Fourth Proportional to 3,649.37, 5,474.22 and 1,339.61

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Solution

The fourth proportional to 3,649.37, 5,474.22 and 1,339.61 is: 2,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.37 : 5,474.22 = 1,339.61 : x
  2. Step 2: Convert to fraction form
    3,649.37/5,474.22 = 1,339.61/x
  3. Step 3: Cross multiply
    3,649.37x = 5,474.22 × 1,339.61
  4. Step 4: Simplify right side
    3,649.37x = 7,333,319.85
  5. Step 5: Solve for x
    x = 7,333,319.85/3,649.37
  6. Step 6: Final answer
    x = 2,009.48

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1.5x scale

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.