Home / 2,283.33-3,149.67-1,338.90

Finding the Fourth Proportional to 2,283.33, 3,149.67 and 1,338.90

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Solution

The fourth proportional to 2,283.33, 3,149.67 and 1,338.90 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.33 : 3,149.67 = 1,338.90 : x
  2. Step 2: Convert to fraction form
    2,283.33/3,149.67 = 1,338.90/x
  3. Step 3: Cross multiply
    2,283.33x = 3,149.67 × 1,338.90
  4. Step 4: Simplify right side
    2,283.33x = 4,217,093.16
  5. Step 5: Solve for x
    x = 4,217,093.16/2,283.33
  6. Step 6: Final answer
    x = 1,846.90

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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.