Home / 3,397.41-4,688.37-1,905.33

Finding the Fourth Proportional to 3,397.41, 4,688.37 and 1,905.33

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Solution

The fourth proportional to 3,397.41, 4,688.37 and 1,905.33 is: 2,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.41 : 4,688.37 = 1,905.33 : x
  2. Step 2: Convert to fraction form
    3,397.41/4,688.37 = 1,905.33/x
  3. Step 3: Cross multiply
    3,397.41x = 4,688.37 × 1,905.33
  4. Step 4: Simplify right side
    3,397.41x = 8,932,859.04
  5. Step 5: Solve for x
    x = 8,932,859.04/3,397.41
  6. Step 6: Final answer
    x = 2,629.31

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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.