Home / 3,649.22-5,037.61-2,390.33

Finding the Fourth Proportional to 3,649.22, 5,037.61 and 2,390.33

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Solution

The fourth proportional to 3,649.22, 5,037.61 and 2,390.33 is: 3,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.22 : 5,037.61 = 2,390.33 : x
  2. Step 2: Convert to fraction form
    3,649.22/5,037.61 = 2,390.33/x
  3. Step 3: Cross multiply
    3,649.22x = 5,037.61 × 2,390.33
  4. Step 4: Simplify right side
    3,649.22x = 12,041,556.93
  5. Step 5: Solve for x
    x = 12,041,556.93/3,649.22
  6. Step 6: Final answer
    x = 3,299.76

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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.