Home / 3,649.12-5,033.22-2,390.96

Finding the Fourth Proportional to 3,649.12, 5,033.22 and 2,390.96

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Solution

The fourth proportional to 3,649.12, 5,033.22 and 2,390.96 is: 3,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.12 : 5,033.22 = 2,390.96 : x
  2. Step 2: Convert to fraction form
    3,649.12/5,033.22 = 2,390.96/x
  3. Step 3: Cross multiply
    3,649.12x = 5,033.22 × 2,390.96
  4. Step 4: Simplify right side
    3,649.12x = 12,034,227.69
  5. Step 5: Solve for x
    x = 12,034,227.69/3,649.12
  6. Step 6: Final answer
    x = 3,297.84

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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.