Home / 3,133.24-4,323.30-2,013.80

Finding the Fourth Proportional to 3,133.24, 4,323.30 and 2,013.80

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Solution

The fourth proportional to 3,133.24, 4,323.30 and 2,013.80 is: 2,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.24 : 4,323.30 = 2,013.80 : x
  2. Step 2: Convert to fraction form
    3,133.24/4,323.30 = 2,013.80/x
  3. Step 3: Cross multiply
    3,133.24x = 4,323.30 × 2,013.80
  4. Step 4: Simplify right side
    3,133.24x = 8,706,261.54
  5. Step 5: Solve for x
    x = 8,706,261.54/3,133.24
  6. Step 6: Final answer
    x = 2,778.68

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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.