Home / 2,133.24-3,201.12-835.80

Finding the Fourth Proportional to 2,133.24, 3,201.12 and 835.80

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Solution

The fourth proportional to 2,133.24, 3,201.12 and 835.80 is: 1,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.24 : 3,201.12 = 835.80 : x
  2. Step 2: Convert to fraction form
    2,133.24/3,201.12 = 835.80/x
  3. Step 3: Cross multiply
    2,133.24x = 3,201.12 × 835.80
  4. Step 4: Simplify right side
    2,133.24x = 2,675,496.10
  5. Step 5: Solve for x
    x = 2,675,496.10/2,133.24
  6. Step 6: Final answer
    x = 1,254.19

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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.