Home / 3,649.56-5,033.69-3,146.34

Finding the Fourth Proportional to 3,649.56, 5,033.69 and 3,146.34

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Solution

The fourth proportional to 3,649.56, 5,033.69 and 3,146.34 is: 4,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.56 : 5,033.69 = 3,146.34 : x
  2. Step 2: Convert to fraction form
    3,649.56/5,033.69 = 3,146.34/x
  3. Step 3: Cross multiply
    3,649.56x = 5,033.69 × 3,146.34
  4. Step 4: Simplify right side
    3,649.56x = 15,837,732.84
  5. Step 5: Solve for x
    x = 15,837,732.84/3,649.56
  6. Step 6: Final answer
    x = 4,339.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.