Home / 2,386.38-3,293.22-1,338.46

Finding the Fourth Proportional to 2,386.38, 3,293.22 and 1,338.46

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Solution

The fourth proportional to 2,386.38, 3,293.22 and 1,338.46 is: 1,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.38 : 3,293.22 = 1,338.46 : x
  2. Step 2: Convert to fraction form
    2,386.38/3,293.22 = 1,338.46/x
  3. Step 3: Cross multiply
    2,386.38x = 3,293.22 × 1,338.46
  4. Step 4: Simplify right side
    2,386.38x = 4,407,843.24
  5. Step 5: Solve for x
    x = 4,407,843.24/2,386.38
  6. Step 6: Final answer
    x = 1,847.08

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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.