Home / 3,135.63-4,327.32-1,738.38

Finding the Fourth Proportional to 3,135.63, 4,327.32 and 1,738.38

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Solution

The fourth proportional to 3,135.63, 4,327.32 and 1,738.38 is: 2,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.63 : 4,327.32 = 1,738.38 : x
  2. Step 2: Convert to fraction form
    3,135.63/4,327.32 = 1,738.38/x
  3. Step 3: Cross multiply
    3,135.63x = 4,327.32 × 1,738.38
  4. Step 4: Simplify right side
    3,135.63x = 7,522,526.54
  5. Step 5: Solve for x
    x = 7,522,526.54/3,135.63
  6. Step 6: Final answer
    x = 2,399.05

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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.