Home / 3,969.15-5,464.95-3,370.38

Finding the Fourth Proportional to 3,969.15, 5,464.95 and 3,370.38

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Solution

The fourth proportional to 3,969.15, 5,464.95 and 3,370.38 is: 4,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.15 : 5,464.95 = 3,370.38 : x
  2. Step 2: Convert to fraction form
    3,969.15/5,464.95 = 3,370.38/x
  3. Step 3: Cross multiply
    3,969.15x = 5,464.95 × 3,370.38
  4. Step 4: Simplify right side
    3,969.15x = 18,418,958.18
  5. Step 5: Solve for x
    x = 18,418,958.18/3,969.15
  6. Step 6: Final answer
    x = 4,640.53

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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.