Home / 2,292.80-3,163.34-1,348.29

Finding the Fourth Proportional to 2,292.80, 3,163.34 and 1,348.29

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Solution

The fourth proportional to 2,292.80, 3,163.34 and 1,348.29 is: 1,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.80 : 3,163.34 = 1,348.29 : x
  2. Step 2: Convert to fraction form
    2,292.80/3,163.34 = 1,348.29/x
  3. Step 3: Cross multiply
    2,292.80x = 3,163.34 × 1,348.29
  4. Step 4: Simplify right side
    2,292.80x = 4,265,099.69
  5. Step 5: Solve for x
    x = 4,265,099.69/2,292.80
  6. Step 6: Final answer
    x = 1,860.21

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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.