Home / 3,655.74-5,043.45-2,163.33

Finding the Fourth Proportional to 3,655.74, 5,043.45 and 2,163.33

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Solution

The fourth proportional to 3,655.74, 5,043.45 and 2,163.33 is: 2,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.74 : 5,043.45 = 2,163.33 : x
  2. Step 2: Convert to fraction form
    3,655.74/5,043.45 = 2,163.33/x
  3. Step 3: Cross multiply
    3,655.74x = 5,043.45 × 2,163.33
  4. Step 4: Simplify right side
    3,655.74x = 10,910,646.69
  5. Step 5: Solve for x
    x = 10,910,646.69/3,655.74
  6. Step 6: Final answer
    x = 2,984.52

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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.