Home / 2,133.94-3,202.02-1,613.78

Finding the Fourth Proportional to 2,133.94, 3,202.02 and 1,613.78

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Solution

The fourth proportional to 2,133.94, 3,202.02 and 1,613.78 is: 2,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.94 : 3,202.02 = 1,613.78 : x
  2. Step 2: Convert to fraction form
    2,133.94/3,202.02 = 1,613.78/x
  3. Step 3: Cross multiply
    2,133.94x = 3,202.02 × 1,613.78
  4. Step 4: Simplify right side
    2,133.94x = 5,167,355.84
  5. Step 5: Solve for x
    x = 5,167,355.84/2,133.94
  6. Step 6: Final answer
    x = 2,421.51

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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.