Home / 2,331.43-3,217.37-1,283.49

Finding the Fourth Proportional to 2,331.43, 3,217.37 and 1,283.49

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Solution

The fourth proportional to 2,331.43, 3,217.37 and 1,283.49 is: 1,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.43 : 3,217.37 = 1,283.49 : x
  2. Step 2: Convert to fraction form
    2,331.43/3,217.37 = 1,283.49/x
  3. Step 3: Cross multiply
    2,331.43x = 3,217.37 × 1,283.49
  4. Step 4: Simplify right side
    2,331.43x = 4,129,455.80
  5. Step 5: Solve for x
    x = 4,129,455.80/2,331.43
  6. Step 6: Final answer
    x = 1,771.21

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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.